Mersenne ECM top factors

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M1669 has a factor: 112493750443412941745410571996247741731544451845539488817 (186.198 bits)
M4937 has a factor: 224209400033890009931837488284049711636925260561 (157.295 bits)
M3911 has a factor: 3807917225555431495562413018919160381425772769 (151.416 bits)
M4789 has a factor: 2187164372999560742018151373871068632661184927 (150.616 bits)
M3853 has a factor: 7740376302584257292322119054163431736983551 (142.473 bits)
M4649 has a factor: 39780961181519754363553004923217892363193 (134.869 bits)
M4831 has a factor: 35848944330467551067657730466924489654159 (134.719 bits)
M4639 has a factor: 333318151608048911647033115337921021257 (127.970 bits)
M30293 has a factor: 174908199050564199572057351962113099143 (127.040 bits)
M28927 has a factor: 107357393724734568173245458918751906681 (126.336 bits)
M4349 has a factor: 35797232484163710163467490373510908687 (124.751 bits)
M16759 has a factor: 18813924255104606772958155406421937649 (123.823 bits)
M14797 has a factor: 16105723928015430605912005564342396871 (123.599 bits)
M5153 has a factor: 892269123971188550335605971108584159 (119.425 bits)
M3407 has a factor: 193876157351462120568373250821482097 (117.223 bits)
M3929 has a factor: 21285928013183166649417997720550079 (114.035 bits)
M39769 has a factor: 18865120487255608173832693620974633 (113.861 bits)
M27847 has a factor: 9303452666895639134000774124191183 (112.841 bits)
M3433 has a factor: 6909873976238299380737328387193249 (112.412 bits)
M24133 has a factor: 2611726622214178078495921962981113 (111.009 bits)
M32119 has a factor: 428237260485783655810512004131929 (108.400 bits)
M35569 has a factor: 297495875610549121947983102951791 (107.875 bits)
M15787 has a factor: 8349102278092497443968867472353 (102.719 bits)
M36847 has a factor: 5242433952115316144174955131711 (102.048 bits)
M21187 has a factor: 4440734511785225888595171096193 (101.809 bits)
M21503 has a factor: 1719576248578390028994047187079 (100.440 bits)
M29573 has a factor: 1107928737262297797875410265953 (99.806 bits)
M22861 has a factor: 877388432867409348972889682401 (99.469 bits)
M34687 has a factor: 496577995944718478076661866721 (98.648 bits)
M36629 has a factor: 341528218920041278508216316647 (98.108 bits)
M21911 has a factor: 196020169182990188608677077257 (97.307 bits)
M23879 has a factor: 73229692316441396854358620769 (95.886 bits)
M28549 has a factor: 41564625381143002854290514673 (95.069 bits)
M303473 has a factor: 27138994913448868734845190481 (94.454 bits)
M19867 has a factor: 20224106888919432110789127673 (94.030 bits)
M24247 has a factor: 10552384026667480883100775873 (93.092 bits)
M18443 has a factor: 9362582970796460599985193889 (92.919 bits)
M20641 has a factor: 2808971660924220403670222719 (91.182 bits)
M2665037 has a factor: 1247231111015514776777149169 (90.011 bits)
M22051 has a factor: 445122850520470437020668657 (88.524 bits)
M22669 has a factor: 138204433896754429183775057 (86.837 bits)
M19319 has a factor: 102323737897220824059510439 (86.403 bits)
M1076461 has a factor: 98094971812378803254924863 (86.342 bits)
M811991 has a factor: 72486997334047574482463153 (85.906 bits)
M958193 has a factor: 37352563544671440234170377 (84.949 bits)
M1316989 has a factor: 35496391701112926720562753 (84.876 bits)
M303007 has a factor: 15557531350315328513245409 (83.686 bits)
M21739 has a factor: 5873506047459116693689001 (82.280 bits)
M940421 has a factor: 4065558909724546433306431 (81.750 bits)
M1252721 has a factor: 3402509590219277402787551 (81.493 bits)
M899273 has a factor: 1710842092299449198229359 (80.501 bits)
M2796403 has a factor: 1622326287398652219991513 (80.424 bits)
M6830647 has a factor: 1312467321105406041413177 (80.119 bits)
M21587 has a factor: 849914928240771369566657 (79.492 bits)
M1213019 has a factor: 807973887655110448222999 (79.419 bits)
M2502259 has a factor: 797973674908330104272953 (79.401 bits)
M22159 has a factor: 614636891092915784372047 (79.024 bits)
M21247 has a factor: 218685785226445330727881 (77.533 bits)
M1077397 has a factor: 191033404800694775582639 (77.338 bits)
M1170833 has a factor: 156072183731471002787591 (77.047 bits)
M24767 has a factor: 123506362274957804643497 (76.709 bits)
M5864317 has a factor: 85710023954652112119649 (76.182 bits)
M303727 has a factor: 50606561719695551990879 (75.422 bits)
M1023571 has a factor: 36972984454855431519143 (74.969 bits)
M6650731 has a factor: 36266459137413590470039 (74.941 bits)
M4691143 has a factor: 26381629196175816398081 (74.482 bits)
M1233143 has a factor: 25348676538837121398713 (74.424 bits)
M2648861 has a factor: 17401896657455513712671 (73.882 bits)
M939413 has a factor: 16941426648892936321489 (73.843 bits)
M2340133 has a factor: 16927993001883755935609 (73.842 bits)
M1705463 has a factor: 13061599217095544016617 (73.468 bits)
M23557 has a factor: 9830044237462003768439 (73.058 bits)
M952073 has a factor: 8145008735854468709689 (72.786 bits)
M2776051 has a factor: 8144718022099270726351 (72.786 bits)
M1253167 has a factor: 6276107111388537144599 (72.410 bits)
M21661 has a factor: 5031637923546891848671 (72.092 bits)
M1261333 has a factor: 4925760130940360553617 (72.061 bits)
M1207159 has a factor: 4876269511187133590873 (72.046 bits)
M6655729 has a factor: 3813815587973131537697 (71.692 bits)
M1172443 has a factor: 3298571902521936424919 (71.482 bits)
M6695869 has a factor: 3125599870714466912561 (71.405 bits)
M880247 has a factor: 2665821556614778102039 (71.175 bits)
M6047303 has a factor: 1062717353219387708471 (69.848 bits)
M2486699 has a factor: 893097816478813116271 (69.597 bits)
M1249139 has a factor: 831752554424715658271 (69.495 bits)
M8221891 has a factor: 715536389594580462641 (69.278 bits)
M5731651 has a factor: 573229012316152059377 (68.958 bits)
M2400197 has a factor: 542613503353151890129 (68.878 bits)
M1638149 has a factor: 504111082008146187791 (68.772 bits)
M1145873 has a factor: 380677147500795836191 (68.367 bits)
M2968627 has a factor: 379995334423409408161 (68.365 bits)
M6777803 has a factor: 345690019670154869513 (68.228 bits)
M827131 has a factor: 337476886516871430977 (68.193 bits)
M2850563 has a factor: 282589367466090174383 (67.937 bits)
M6820267 has a factor: 188927293090143881863 (67.356 bits)
M1580273 has a factor: 171445644096095212793 (67.216 bits)
M2641013 has a factor: 160266223951143738287 (67.119 bits)
M1271827 has a factor: 157517709852514387921 (67.094 bits)
M8067959 has a factor: 115756038295435993729 (66.650 bits)
M1765513 has a factor: 103379106250529948407 (66.487 bits)
M1198187 has a factor: 86077388668155752191 (66.222 bits)
M1180477 has a factor: 85394583350874204031 (66.211 bits)
M1211701 has a factor: 78449781563676041609 (66.088 bits)
M1763887 has a factor: 74683224343749384817 (66.017 bits)
M7138123 has a factor: 73806479056681006793 (66.000 bits)
M6800809 has a factor: 69516566274355664423 (65.914 bits)
M1175939 has a factor: 65190982087427007017 (65.821 bits)
M1019717 has a factor: 65171459809713377873 (65.821 bits)
M1219931 has a factor: 55975561679193268417 (65.601 bits)
M2696923 has a factor: 36893471961348056599 (65.000 bits)
M8348303 has a factor: 35227621134218309999 (64.933 bits)
M1291963 has a factor: 31887656716237664383 (64.790 bits)
M5909581 has a factor: 29828200644332491433 (64.693 bits)
M1588681 has a factor: 27378085507117366559 (64.570 bits)
M1188613 has a factor: 26317400414254437767 (64.513 bits)
M1793669 has a factor: 24120780261113101681 (64.387 bits)
M6374383 has a factor: 22198179787826288593 (64.267 bits)
M1261109 has a factor: 20080171562576104457 (64.122 bits)
M911879 has a factor: 19551204674631542119 (64.084 bits)
M1450741 has a factor: 16314739082639431607 (63.823 bits)
M2608121 has a factor: 14123803553269811473 (63.615 bits)
M2868787 has a factor: 13767157579224571889 (63.578 bits)
M1735849 has a factor: 13683478875686530727 (63.569 bits)
M2368273 has a factor: 11701974114760154207 (63.343 bits)
M1661917 has a factor: 11567228902612777831 (63.327 bits)
M1522463 has a factor: 11138369702247321959 (63.272 bits)
M1279027 has a factor: 10657214149838901647 (63.208 bits)
M2547821 has a factor: 9673544903237038487 (63.069 bits)
M2968391 has a factor: 9600175014793457839 (63.058 bits)
M2768567 has a factor: 9542891967508469039 (63.049 bits)
M2408303 has a factor: 9352200368081123159 (63.020 bits)
M1175173 has a factor: 8471778404322064681 (62.877 bits)
M1194163 has a factor: 8447657357288367329 (62.873 bits)
M2834017 has a factor: 8222515130783869241 (62.834 bits)
M804941 has a factor: 6319068221445863407 (62.454 bits)
M1537997 has a factor: 6072626443284545993 (62.397 bits)
M1193429 has a factor: 5557516745333665663 (62.269 bits)
M2863127 has a factor: 5310569286186989399 (62.204 bits)
M2453251 has a factor: 5232815125453695313 (62.182 bits)
M1183079 has a factor: 3899530923188957657 (61.758 bits)
M1637161 has a factor: 3596641557963775351 (61.641 bits)
M1574201 has a factor: 3389186350034195903 (61.556 bits)
M2857501 has a factor: 3334738578021262327 (61.532 bits)
M2650579 has a factor: 2961372854769373937 (61.361 bits)
M2786783 has a factor: 2863857287312729671 (61.313 bits)
M1631843 has a factor: 1954317741471351647 (60.761 bits)

For copy-paste to forum:

[M]M1669[/M] has a 186.198-bit (57-digit) factor: [url=https://www.mersenne.ca/M1669]112493750443412941745410571996247741731544451845539488817[/url] (ECM)
[M]M4937[/M] has a 157.295-bit (48-digit) factor: [url=https://www.mersenne.ca/M4937]224209400033890009931837488284049711636925260561[/url] (ECM)
[M]M3911[/M] has a 151.416-bit (46-digit) factor: [url=https://www.mersenne.ca/M3911]3807917225555431495562413018919160381425772769[/url] (ECM)
[M]M4789[/M] has a 150.616-bit (46-digit) factor: [url=https://www.mersenne.ca/M4789]2187164372999560742018151373871068632661184927[/url] (ECM)
[M]M3853[/M] has a 142.473-bit (43-digit) factor: [url=https://www.mersenne.ca/M3853]7740376302584257292322119054163431736983551[/url] (ECM)
[M]M4649[/M] has a 134.869-bit (41-digit) factor: [url=https://www.mersenne.ca/M4649]39780961181519754363553004923217892363193[/url] (ECM)
[M]M4831[/M] has a 134.719-bit (41-digit) factor: [url=https://www.mersenne.ca/M4831]35848944330467551067657730466924489654159[/url] (ECM)
[M]M4639[/M] has a 127.970-bit (39-digit) factor: [url=https://www.mersenne.ca/M4639]333318151608048911647033115337921021257[/url] (ECM)
[M]M30293[/M] has a 127.040-bit (39-digit) factor: [url=https://www.mersenne.ca/M30293]174908199050564199572057351962113099143[/url] (ECM)
[M]M28927[/M] has a 126.336-bit (39-digit) factor: [url=https://www.mersenne.ca/M28927]107357393724734568173245458918751906681[/url] (ECM)
[M]M4349[/M] has a 124.751-bit (38-digit) factor: [url=https://www.mersenne.ca/M4349]35797232484163710163467490373510908687[/url] (ECM)
[M]M16759[/M] has a 123.823-bit (38-digit) factor: [url=https://www.mersenne.ca/M16759]18813924255104606772958155406421937649[/url] (ECM)
[M]M14797[/M] has a 123.599-bit (38-digit) factor: [url=https://www.mersenne.ca/M14797]16105723928015430605912005564342396871[/url] (ECM)
[M]M5153[/M] has a 119.425-bit (36-digit) factor: [url=https://www.mersenne.ca/M5153]892269123971188550335605971108584159[/url] (ECM)
[M]M3407[/M] has a 117.223-bit (36-digit) factor: [url=https://www.mersenne.ca/M3407]193876157351462120568373250821482097[/url] (ECM)
[M]M3929[/M] has a 114.035-bit (35-digit) factor: [url=https://www.mersenne.ca/M3929]21285928013183166649417997720550079[/url] (ECM)
[M]M39769[/M] has a 113.861-bit (35-digit) factor: [url=https://www.mersenne.ca/M39769]18865120487255608173832693620974633[/url] (ECM)
[M]M27847[/M] has a 112.841-bit (34-digit) factor: [url=https://www.mersenne.ca/M27847]9303452666895639134000774124191183[/url] (ECM)
[M]M3433[/M] has a 112.412-bit (34-digit) factor: [url=https://www.mersenne.ca/M3433]6909873976238299380737328387193249[/url] (ECM)
[M]M24133[/M] has a 111.009-bit (34-digit) factor: [url=https://www.mersenne.ca/M24133]2611726622214178078495921962981113[/url] (ECM)
[M]M32119[/M] has a 108.400-bit (33-digit) factor: [url=https://www.mersenne.ca/M32119]428237260485783655810512004131929[/url] (ECM)
[M]M35569[/M] has a 107.875-bit (33-digit) factor: [url=https://www.mersenne.ca/M35569]297495875610549121947983102951791[/url] (ECM)
[M]M15787[/M] has a 102.719-bit (31-digit) factor: [url=https://www.mersenne.ca/M15787]8349102278092497443968867472353[/url] (ECM)
[M]M36847[/M] has a 102.048-bit (31-digit) factor: [url=https://www.mersenne.ca/M36847]5242433952115316144174955131711[/url] (ECM)
[M]M21187[/M] has a 101.809-bit (31-digit) factor: [url=https://www.mersenne.ca/M21187]4440734511785225888595171096193[/url] (ECM)
[M]M21503[/M] has a 100.440-bit (31-digit) factor: [url=https://www.mersenne.ca/M21503]1719576248578390028994047187079[/url] (ECM)
[M]M29573[/M] has a 99.806-bit (31-digit) factor: [url=https://www.mersenne.ca/M29573]1107928737262297797875410265953[/url] (ECM)
[M]M22861[/M] has a 99.469-bit (30-digit) factor: [url=https://www.mersenne.ca/M22861]877388432867409348972889682401[/url] (ECM)
[M]M34687[/M] has a 98.648-bit (30-digit) factor: [url=https://www.mersenne.ca/M34687]496577995944718478076661866721[/url] (ECM)
[M]M36629[/M] has a 98.108-bit (30-digit) factor: [url=https://www.mersenne.ca/M36629]341528218920041278508216316647[/url] (ECM)
[M]M21911[/M] has a 97.307-bit (30-digit) factor: [url=https://www.mersenne.ca/M21911]196020169182990188608677077257[/url] (ECM)
[M]M23879[/M] has a 95.886-bit (29-digit) factor: [url=https://www.mersenne.ca/M23879]73229692316441396854358620769[/url] (ECM)
[M]M28549[/M] has a 95.069-bit (29-digit) factor: [url=https://www.mersenne.ca/M28549]41564625381143002854290514673[/url] (ECM)
[M]M303473[/M] has a 94.454-bit (29-digit) factor: [url=https://www.mersenne.ca/M303473]27138994913448868734845190481[/url] (ECM)
[M]M19867[/M] has a 94.030-bit (29-digit) factor: [url=https://www.mersenne.ca/M19867]20224106888919432110789127673[/url] (ECM)
[M]M24247[/M] has a 93.092-bit (29-digit) factor: [url=https://www.mersenne.ca/M24247]10552384026667480883100775873[/url] (ECM)
[M]M18443[/M] has a 92.919-bit (28-digit) factor: [url=https://www.mersenne.ca/M18443]9362582970796460599985193889[/url] (ECM)
[M]M20641[/M] has a 91.182-bit (28-digit) factor: [url=https://www.mersenne.ca/M20641]2808971660924220403670222719[/url] (ECM)
[M]M2665037[/M] has a 90.011-bit (28-digit) factor: [url=https://www.mersenne.ca/M2665037]1247231111015514776777149169[/url] (ECM)
[M]M22051[/M] has a 88.524-bit (27-digit) factor: [url=https://www.mersenne.ca/M22051]445122850520470437020668657[/url] (ECM)
[M]M22669[/M] has a 86.837-bit (27-digit) factor: [url=https://www.mersenne.ca/M22669]138204433896754429183775057[/url] (ECM)
[M]M19319[/M] has a 86.403-bit (27-digit) factor: [url=https://www.mersenne.ca/M19319]102323737897220824059510439[/url] (ECM)
[M]M1076461[/M] has a 86.342-bit (26-digit) factor: [url=https://www.mersenne.ca/M1076461]98094971812378803254924863[/url] (ECM)
[M]M811991[/M] has a 85.906-bit (26-digit) factor: [url=https://www.mersenne.ca/M811991]72486997334047574482463153[/url] (ECM)
[M]M958193[/M] has a 84.949-bit (26-digit) factor: [url=https://www.mersenne.ca/M958193]37352563544671440234170377[/url] (ECM)
[M]M1316989[/M] has a 84.876-bit (26-digit) factor: [url=https://www.mersenne.ca/M1316989]35496391701112926720562753[/url] (ECM)
[M]M303007[/M] has a 83.686-bit (26-digit) factor: [url=https://www.mersenne.ca/M303007]15557531350315328513245409[/url] (ECM)
[M]M21739[/M] has a 82.280-bit (25-digit) factor: [url=https://www.mersenne.ca/M21739]5873506047459116693689001[/url] (ECM)
[M]M940421[/M] has a 81.750-bit (25-digit) factor: [url=https://www.mersenne.ca/M940421]4065558909724546433306431[/url] (ECM)
[M]M1252721[/M] has a 81.493-bit (25-digit) factor: [url=https://www.mersenne.ca/M1252721]3402509590219277402787551[/url] (ECM)
[M]M899273[/M] has a 80.501-bit (25-digit) factor: [url=https://www.mersenne.ca/M899273]1710842092299449198229359[/url] (ECM)
[M]M2796403[/M] has a 80.424-bit (25-digit) factor: [url=https://www.mersenne.ca/M2796403]1622326287398652219991513[/url] (ECM)
[M]M6830647[/M] has a 80.119-bit (25-digit) factor: [url=https://www.mersenne.ca/M6830647]1312467321105406041413177[/url] (ECM)
[M]M21587[/M] has a 79.492-bit (24-digit) factor: [url=https://www.mersenne.ca/M21587]849914928240771369566657[/url] (ECM)
[M]M1213019[/M] has a 79.419-bit (24-digit) factor: [url=https://www.mersenne.ca/M1213019]807973887655110448222999[/url] (ECM)
[M]M2502259[/M] has a 79.401-bit (24-digit) factor: [url=https://www.mersenne.ca/M2502259]797973674908330104272953[/url] (ECM)
[M]M22159[/M] has a 79.024-bit (24-digit) factor: [url=https://www.mersenne.ca/M22159]614636891092915784372047[/url] (ECM)
[M]M21247[/M] has a 77.533-bit (24-digit) factor: [url=https://www.mersenne.ca/M21247]218685785226445330727881[/url] (ECM)
[M]M1077397[/M] has a 77.338-bit (24-digit) factor: [url=https://www.mersenne.ca/M1077397]191033404800694775582639[/url] (ECM)
[M]M1170833[/M] has a 77.047-bit (24-digit) factor: [url=https://www.mersenne.ca/M1170833]156072183731471002787591[/url] (ECM)
[M]M24767[/M] has a 76.709-bit (24-digit) factor: [url=https://www.mersenne.ca/M24767]123506362274957804643497[/url] (ECM)
[M]M5864317[/M] has a 76.182-bit (23-digit) factor: [url=https://www.mersenne.ca/M5864317]85710023954652112119649[/url] (ECM)
[M]M303727[/M] has a 75.422-bit (23-digit) factor: [url=https://www.mersenne.ca/M303727]50606561719695551990879[/url] (ECM)
[M]M1023571[/M] has a 74.969-bit (23-digit) factor: [url=https://www.mersenne.ca/M1023571]36972984454855431519143[/url] (ECM)
[M]M6650731[/M] has a 74.941-bit (23-digit) factor: [url=https://www.mersenne.ca/M6650731]36266459137413590470039[/url] (ECM)
[M]M4691143[/M] has a 74.482-bit (23-digit) factor: [url=https://www.mersenne.ca/M4691143]26381629196175816398081[/url] (ECM)
[M]M1233143[/M] has a 74.424-bit (23-digit) factor: [url=https://www.mersenne.ca/M1233143]25348676538837121398713[/url] (ECM)
[M]M2648861[/M] has a 73.882-bit (23-digit) factor: [url=https://www.mersenne.ca/M2648861]17401896657455513712671[/url] (ECM)
[M]M939413[/M] has a 73.843-bit (23-digit) factor: [url=https://www.mersenne.ca/M939413]16941426648892936321489[/url] (ECM)
[M]M2340133[/M] has a 73.842-bit (23-digit) factor: [url=https://www.mersenne.ca/M2340133]16927993001883755935609[/url] (ECM)
[M]M1705463[/M] has a 73.468-bit (23-digit) factor: [url=https://www.mersenne.ca/M1705463]13061599217095544016617[/url] (ECM)
[M]M23557[/M] has a 73.058-bit (22-digit) factor: [url=https://www.mersenne.ca/M23557]9830044237462003768439[/url] (ECM)
[M]M952073[/M] has a 72.786-bit (22-digit) factor: [url=https://www.mersenne.ca/M952073]8145008735854468709689[/url] (ECM)
[M]M2776051[/M] has a 72.786-bit (22-digit) factor: [url=https://www.mersenne.ca/M2776051]8144718022099270726351[/url] (ECM)
[M]M1253167[/M] has a 72.410-bit (22-digit) factor: [url=https://www.mersenne.ca/M1253167]6276107111388537144599[/url] (ECM)
[M]M21661[/M] has a 72.092-bit (22-digit) factor: [url=https://www.mersenne.ca/M21661]5031637923546891848671[/url] (ECM)
[M]M1261333[/M] has a 72.061-bit (22-digit) factor: [url=https://www.mersenne.ca/M1261333]4925760130940360553617[/url] (ECM)
[M]M1207159[/M] has a 72.046-bit (22-digit) factor: [url=https://www.mersenne.ca/M1207159]4876269511187133590873[/url] (ECM)
[M]M6655729[/M] has a 71.692-bit (22-digit) factor: [url=https://www.mersenne.ca/M6655729]3813815587973131537697[/url] (ECM)
[M]M1172443[/M] has a 71.482-bit (22-digit) factor: [url=https://www.mersenne.ca/M1172443]3298571902521936424919[/url] (ECM)
[M]M6695869[/M] has a 71.405-bit (22-digit) factor: [url=https://www.mersenne.ca/M6695869]3125599870714466912561[/url] (ECM)
[M]M880247[/M] has a 71.175-bit (22-digit) factor: [url=https://www.mersenne.ca/M880247]2665821556614778102039[/url] (ECM)
[M]M6047303[/M] has a 69.848-bit (22-digit) factor: [url=https://www.mersenne.ca/M6047303]1062717353219387708471[/url] (ECM)
[M]M2486699[/M] has a 69.597-bit (21-digit) factor: [url=https://www.mersenne.ca/M2486699]893097816478813116271[/url] (ECM)
[M]M1249139[/M] has a 69.495-bit (21-digit) factor: [url=https://www.mersenne.ca/M1249139]831752554424715658271[/url] (ECM)
[M]M8221891[/M] has a 69.278-bit (21-digit) factor: [url=https://www.mersenne.ca/M8221891]715536389594580462641[/url] (ECM)
[M]M5731651[/M] has a 68.958-bit (21-digit) factor: [url=https://www.mersenne.ca/M5731651]573229012316152059377[/url] (ECM)
[M]M2400197[/M] has a 68.878-bit (21-digit) factor: [url=https://www.mersenne.ca/M2400197]542613503353151890129[/url] (ECM)
[M]M1638149[/M] has a 68.772-bit (21-digit) factor: [url=https://www.mersenne.ca/M1638149]504111082008146187791[/url] (ECM)
[M]M1145873[/M] has a 68.367-bit (21-digit) factor: [url=https://www.mersenne.ca/M1145873]380677147500795836191[/url] (ECM)
[M]M2968627[/M] has a 68.365-bit (21-digit) factor: [url=https://www.mersenne.ca/M2968627]379995334423409408161[/url] (ECM)
[M]M6777803[/M] has a 68.228-bit (21-digit) factor: [url=https://www.mersenne.ca/M6777803]345690019670154869513[/url] (ECM)
[M]M827131[/M] has a 68.193-bit (21-digit) factor: [url=https://www.mersenne.ca/M827131]337476886516871430977[/url] (ECM)
[M]M2850563[/M] has a 67.937-bit (21-digit) factor: [url=https://www.mersenne.ca/M2850563]282589367466090174383[/url] (ECM)
[M]M6820267[/M] has a 67.356-bit (21-digit) factor: [url=https://www.mersenne.ca/M6820267]188927293090143881863[/url] (ECM)
[M]M1580273[/M] has a 67.216-bit (21-digit) factor: [url=https://www.mersenne.ca/M1580273]171445644096095212793[/url] (ECM)
[M]M2641013[/M] has a 67.119-bit (21-digit) factor: [url=https://www.mersenne.ca/M2641013]160266223951143738287[/url] (ECM)
[M]M1271827[/M] has a 67.094-bit (21-digit) factor: [url=https://www.mersenne.ca/M1271827]157517709852514387921[/url] (ECM)
[M]M8067959[/M] has a 66.650-bit (21-digit) factor: [url=https://www.mersenne.ca/M8067959]115756038295435993729[/url] (ECM)
[M]M1765513[/M] has a 66.487-bit (21-digit) factor: [url=https://www.mersenne.ca/M1765513]103379106250529948407[/url] (ECM)
[M]M1198187[/M] has a 66.222-bit (20-digit) factor: [url=https://www.mersenne.ca/M1198187]86077388668155752191[/url] (ECM)
[M]M1180477[/M] has a 66.211-bit (20-digit) factor: [url=https://www.mersenne.ca/M1180477]85394583350874204031[/url] (ECM)
[M]M1211701[/M] has a 66.088-bit (20-digit) factor: [url=https://www.mersenne.ca/M1211701]78449781563676041609[/url] (ECM)
[M]M1763887[/M] has a 66.017-bit (20-digit) factor: [url=https://www.mersenne.ca/M1763887]74683224343749384817[/url] (ECM)
[M]M7138123[/M] has a 66.000-bit (20-digit) factor: [url=https://www.mersenne.ca/M7138123]73806479056681006793[/url] (ECM)
[M]M6800809[/M] has a 65.914-bit (20-digit) factor: [url=https://www.mersenne.ca/M6800809]69516566274355664423[/url] (ECM)
[M]M1175939[/M] has a 65.821-bit (20-digit) factor: [url=https://www.mersenne.ca/M1175939]65190982087427007017[/url] (ECM)
[M]M1019717[/M] has a 65.821-bit (20-digit) factor: [url=https://www.mersenne.ca/M1019717]65171459809713377873[/url] (ECM)
[M]M1219931[/M] has a 65.601-bit (20-digit) factor: [url=https://www.mersenne.ca/M1219931]55975561679193268417[/url] (ECM)
[M]M2696923[/M] has a 65.000-bit (20-digit) factor: [url=https://www.mersenne.ca/M2696923]36893471961348056599[/url] (ECM)
[M]M8348303[/M] has a 64.933-bit (20-digit) factor: [url=https://www.mersenne.ca/M8348303]35227621134218309999[/url] (ECM)
[M]M1291963[/M] has a 64.790-bit (20-digit) factor: [url=https://www.mersenne.ca/M1291963]31887656716237664383[/url] (ECM)
[M]M5909581[/M] has a 64.693-bit (20-digit) factor: [url=https://www.mersenne.ca/M5909581]29828200644332491433[/url] (ECM)
[M]M1588681[/M] has a 64.570-bit (20-digit) factor: [url=https://www.mersenne.ca/M1588681]27378085507117366559[/url] (ECM)
[M]M1188613[/M] has a 64.513-bit (20-digit) factor: [url=https://www.mersenne.ca/M1188613]26317400414254437767[/url] (ECM)
[M]M1793669[/M] has a 64.387-bit (20-digit) factor: [url=https://www.mersenne.ca/M1793669]24120780261113101681[/url] (ECM)
[M]M6374383[/M] has a 64.267-bit (20-digit) factor: [url=https://www.mersenne.ca/M6374383]22198179787826288593[/url] (ECM)
[M]M1261109[/M] has a 64.122-bit (20-digit) factor: [url=https://www.mersenne.ca/M1261109]20080171562576104457[/url] (ECM)
[M]M911879[/M] has a 64.084-bit (20-digit) factor: [url=https://www.mersenne.ca/M911879]19551204674631542119[/url] (ECM)
[M]M1450741[/M] has a 63.823-bit (20-digit) factor: [url=https://www.mersenne.ca/M1450741]16314739082639431607[/url] (ECM)
[M]M2608121[/M] has a 63.615-bit (20-digit) factor: [url=https://www.mersenne.ca/M2608121]14123803553269811473[/url] (ECM)
[M]M2868787[/M] has a 63.578-bit (20-digit) factor: [url=https://www.mersenne.ca/M2868787]13767157579224571889[/url] (ECM)
[M]M1735849[/M] has a 63.569-bit (20-digit) factor: [url=https://www.mersenne.ca/M1735849]13683478875686530727[/url] (ECM)
[M]M2368273[/M] has a 63.343-bit (20-digit) factor: [url=https://www.mersenne.ca/M2368273]11701974114760154207[/url] (ECM)
[M]M1661917[/M] has a 63.327-bit (20-digit) factor: [url=https://www.mersenne.ca/M1661917]11567228902612777831[/url] (ECM)
[M]M1522463[/M] has a 63.272-bit (20-digit) factor: [url=https://www.mersenne.ca/M1522463]11138369702247321959[/url] (ECM)
[M]M1279027[/M] has a 63.208-bit (20-digit) factor: [url=https://www.mersenne.ca/M1279027]10657214149838901647[/url] (ECM)
[M]M2547821[/M] has a 63.069-bit (19-digit) factor: [url=https://www.mersenne.ca/M2547821]9673544903237038487[/url] (ECM)
[M]M2968391[/M] has a 63.058-bit (19-digit) factor: [url=https://www.mersenne.ca/M2968391]9600175014793457839[/url] (ECM)
[M]M2768567[/M] has a 63.049-bit (19-digit) factor: [url=https://www.mersenne.ca/M2768567]9542891967508469039[/url] (ECM)
[M]M2408303[/M] has a 63.020-bit (19-digit) factor: [url=https://www.mersenne.ca/M2408303]9352200368081123159[/url] (ECM)
[M]M1175173[/M] has a 62.877-bit (19-digit) factor: [url=https://www.mersenne.ca/M1175173]8471778404322064681[/url] (ECM)
[M]M1194163[/M] has a 62.873-bit (19-digit) factor: [url=https://www.mersenne.ca/M1194163]8447657357288367329[/url] (ECM)
[M]M2834017[/M] has a 62.834-bit (19-digit) factor: [url=https://www.mersenne.ca/M2834017]8222515130783869241[/url] (ECM)
[M]M804941[/M] has a 62.454-bit (19-digit) factor: [url=https://www.mersenne.ca/M804941]6319068221445863407[/url] (ECM)
[M]M1537997[/M] has a 62.397-bit (19-digit) factor: [url=https://www.mersenne.ca/M1537997]6072626443284545993[/url] (ECM)
[M]M1193429[/M] has a 62.269-bit (19-digit) factor: [url=https://www.mersenne.ca/M1193429]5557516745333665663[/url] (ECM)
[M]M2863127[/M] has a 62.204-bit (19-digit) factor: [url=https://www.mersenne.ca/M2863127]5310569286186989399[/url] (ECM)
[M]M2453251[/M] has a 62.182-bit (19-digit) factor: [url=https://www.mersenne.ca/M2453251]5232815125453695313[/url] (ECM)
[M]M1183079[/M] has a 61.758-bit (19-digit) factor: [url=https://www.mersenne.ca/M1183079]3899530923188957657[/url] (ECM)
[M]M1637161[/M] has a 61.641-bit (19-digit) factor: [url=https://www.mersenne.ca/M1637161]3596641557963775351[/url] (ECM)
[M]M1574201[/M] has a 61.556-bit (19-digit) factor: [url=https://www.mersenne.ca/M1574201]3389186350034195903[/url] (ECM)
[M]M2857501[/M] has a 61.532-bit (19-digit) factor: [url=https://www.mersenne.ca/M2857501]3334738578021262327[/url] (ECM)
[M]M2650579[/M] has a 61.361-bit (19-digit) factor: [url=https://www.mersenne.ca/M2650579]2961372854769373937[/url] (ECM)
[M]M2786783[/M] has a 61.313-bit (19-digit) factor: [url=https://www.mersenne.ca/M2786783]2863857287312729671[/url] (ECM)
[M]M1631843[/M] has a 60.761-bit (19-digit) factor: [url=https://www.mersenne.ca/M1631843]1954317741471351647[/url] (ECM)

0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	146M	PrimeNet wavefront

Biggest factors for unconnected	nfs	ecm	p-1	p+1	any
Biggest factors (all users)	nfs	ecm	p-1	p+1	any
Recent factors (all users)	nfs	ecm	p-1	p+1	any
Search by user	nfs	ecm	p-1	p+1	any

Top ECM factors of Mersenne numbers

Top ECM factors of all time for unconnected

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	unconnected	1669	112493750443412941745410571996247741731544451845539488817	57	186.198	2009-07-26
2	unconnected	4937	224209400033890009931837488284049711636925260561	48	157.295	2009-06-01
3	unconnected	3911	3807917225555431495562413018919160381425772769	46	151.416	2009-07-09
4	unconnected	4789	2187164372999560742018151373871068632661184927	46	150.616	2009-05-06
5	unconnected	3853	7740376302584257292322119054163431736983551	43	142.473	2009-07-04
6	unconnected	4649	39780961181519754363553004923217892363193	41	134.869	2009-04-27
7	unconnected	4831	35848944330467551067657730466924489654159	41	134.719	2009-05-09
8	unconnected	4639	333318151608048911647033115337921021257	39	127.970	2009-05-06
9	unconnected	30293	174908199050564199572057351962113099143	39	127.040	2009-04-27
10	unconnected	28927	107357393724734568173245458918751906681	39	126.336	2009-06-23
11	unconnected	4349	35797232484163710163467490373510908687	38	124.751	2009-04-28
12	unconnected	16759	18813924255104606772958155406421937649	38	123.823	2009-06-06
13	unconnected	14797	16105723928015430605912005564342396871	38	123.599	2009-05-14
14	unconnected	5153	892269123971188550335605971108584159	36	119.425	2009-05-19
15	unconnected	3407	193876157351462120568373250821482097	36	117.223	2009-05-05
16	unconnected	3929	21285928013183166649417997720550079	35	114.035	2009-05-03
17	unconnected	39769	18865120487255608173832693620974633	35	113.861	2009-06-25
18	unconnected	27847	9303452666895639134000774124191183	34	112.841	2009-06-26
19	unconnected	3433	6909873976238299380737328387193249	34	112.412	2009-05-25
20	unconnected	24133	2611726622214178078495921962981113	34	111.009	2009-06-28
21	unconnected	32119	428237260485783655810512004131929	33	108.400	2009-06-13
22	unconnected	35569	297495875610549121947983102951791	33	107.875	2009-04-30
23	unconnected	15787	8349102278092497443968867472353	31	102.719	2009-06-08
24	unconnected	36847	5242433952115316144174955131711	31	102.048	2009-06-15
25	unconnected	21187	4440734511785225888595171096193	31	101.809	2009-06-13
26	unconnected	21503	1719576248578390028994047187079	31	100.440	2009-06-12
27	unconnected	29573	1107928737262297797875410265953	31	99.806	2009-06-05
28	unconnected	22861	877388432867409348972889682401	30	99.469	2009-06-15
29	unconnected	34687	496577995944718478076661866721	30	98.648	2009-05-06
30	unconnected	36629	341528218920041278508216316647	30	98.108	2009-05-05
31	unconnected	21911	196020169182990188608677077257	30	97.307	2009-06-01
32	unconnected	23879	73229692316441396854358620769	29	95.886	2009-06-14
33	unconnected	28549	41564625381143002854290514673	29	95.069	2009-06-03
34	unconnected	303473	27138994913448868734845190481	29	94.454	2009-06-20
35	unconnected	19867	20224106888919432110789127673	29	94.030	2009-06-09
36	unconnected	24247	10552384026667480883100775873	29	93.092	2009-06-14
37	unconnected	18443	9362582970796460599985193889	28	92.919	2009-06-08
38	unconnected	20641	2808971660924220403670222719	28	91.182	2009-06-13
39	unconnected	2665037	1247231111015514776777149169	28	90.011	2010-07-17
40	unconnected	22051	445122850520470437020668657	27	88.524	2009-06-13
41	unconnected	22669	138204433896754429183775057	27	86.837	2009-06-14
42	unconnected	19319	102323737897220824059510439	27	86.403	2009-06-08
43	unconnected	1076461	98094971812378803254924863	26	86.342	2010-12-03
44	unconnected	811991	72486997334047574482463153	26	85.906	2010-06-05
45	unconnected	958193	37352563544671440234170377	26	84.949	2010-04-30
46	unconnected	1316989	35496391701112926720562753	26	84.876	2012-02-26
47	unconnected	303007	15557531350315328513245409	26	83.686	2009-06-24
48	unconnected	21739	5873506047459116693689001	25	82.280	2009-06-13
49	unconnected	940421	4065558909724546433306431	25	81.750	2010-06-10
50	unconnected	1252721	3402509590219277402787551	25	81.493	2011-10-03
51	unconnected	899273	1710842092299449198229359	25	80.501	2010-06-02
52	unconnected	2796403	1622326287398652219991513	25	80.424	2010-10-07
53	unconnected	6830647	1312467321105406041413177	25	80.119	2012-07-03
54	unconnected	21587	849914928240771369566657	24	79.492	2009-06-13
55	unconnected	1213019	807973887655110448222999	24	79.419	2011-05-07
56	unconnected	2502259	797973674908330104272953	24	79.401	2010-04-05
57	unconnected	22159	614636891092915784372047	24	79.024	2009-06-15
58	unconnected	21247	218685785226445330727881	24	77.533	2009-06-13
59	unconnected	1077397	191033404800694775582639	24	77.338	2010-04-06
60	unconnected	1170833	156072183731471002787591	24	77.047	2010-08-01
61	unconnected	24767	123506362274957804643497	24	76.709	2009-06-14
62	unconnected	5864317	85710023954652112119649	23	76.182	2011-06-13
63	unconnected	303727	50606561719695551990879	23	75.422	2009-06-26
64	unconnected	1023571	36972984454855431519143	23	74.969	2010-08-31
65	unconnected	6650731	36266459137413590470039	23	74.941	2012-03-30
66	unconnected	4691143	26381629196175816398081	23	74.482	2010-02-12
67	unconnected	1233143	25348676538837121398713	23	74.424	2011-08-25
68	unconnected	2648861	17401896657455513712671	23	73.882	2010-06-30
69	unconnected	939413	16941426648892936321489	23	73.843	2010-06-09
70	unconnected	2340133	16927993001883755935609	23	73.842	2009-04-15
71	unconnected	1705463	13061599217095544016617	23	73.468	2010-07-02
72	unconnected	23557	9830044237462003768439	22	73.058	2009-06-15
73	unconnected	952073	8145008735854468709689	22	72.786	2010-12-07
74	unconnected	2776051	8144718022099270726351	22	72.786	2010-09-23
75	unconnected	1253167	6276107111388537144599	22	72.410	2011-10-04
76	unconnected	21661	5031637923546891848671	22	72.092	2009-06-13
77	unconnected	1261333	4925760130940360553617	22	72.061	2010-03-27
78	unconnected	1207159	4876269511187133590873	22	72.046	2010-10-28
79	unconnected	6655729	3813815587973131537697	22	71.692	2012-04-01
80	unconnected	1172443	3298571902521936424919	22	71.482	2011-08-05
81	unconnected	6695869	3125599870714466912561	22	71.405	2012-04-21
82	unconnected	880247	2665821556614778102039	22	71.175	2010-06-30
83	unconnected	6047303	1062717353219387708471	22	69.848	2011-09-29
84	unconnected	2486699	893097816478813116271	21	69.597	2010-03-28
85	unconnected	1249139	831752554424715658271	21	69.495	2010-12-13
86	unconnected	8221891	715536389594580462641	21	69.278	2013-03-24
87	unconnected	5731651	573229012316152059377	21	68.958	2011-06-18
88	unconnected	2400197	542613503353151890129	21	68.878	2010-04-19
89	unconnected	1638149	504111082008146187791	21	68.772	2010-05-01
90	unconnected	1145873	380677147500795836191	21	68.367	2010-09-09
91	unconnected	2968627	379995334423409408161	21	68.365	2009-03-31
92	unconnected	6777803	345690019670154869513	21	68.228	2012-06-03
93	unconnected	827131	337476886516871430977	21	68.193	2010-06-08
94	unconnected	2850563	282589367466090174383	21	67.937	2010-11-14
95	unconnected	6820267	188927293090143881863	21	67.356	2012-10-11
96	unconnected	1580273	171445644096095212793	21	67.216	2009-05-04
97	unconnected	2641013	160266223951143738287	21	67.119	2010-06-23
98	unconnected	1271827	157517709852514387921	21	67.094	2011-05-13
99	unconnected	8067959	115756038295435993729	21	66.650	2013-02-17
100	unconnected	1765513	103379106250529948407	21	66.487	2010-12-15
101	unconnected	1198187	86077388668155752191	20	66.222	2012-01-09
102	unconnected	1180477	85394583350874204031	20	66.211	2010-08-29
103	unconnected	1211701	78449781563676041609	20	66.088	2011-04-24
104	unconnected	1763887	74683224343749384817	20	66.017	2010-12-15
105	unconnected	7138123	73806479056681006793	20	66.0004	2012-10-28
106	unconnected	6800809	69516566274355664423	20	65.914	2012-06-18
107	unconnected	1175939	65190982087427007017	20	65.821	2010-08-14
108	unconnected	1019717	65171459809713377873	20	65.821	2010-08-22
109	unconnected	1219931	55975561679193268417	20	65.601	2011-05-28
110	unconnected	2696923	36893471961348056599	20	65.000	2010-08-04
111	unconnected	8348303	35227621134218309999	20	64.933	2013-05-13
112	unconnected	1291963	31887656716237664383	20	64.790	2012-01-09
113	unconnected	5909581	29828200644332491433	20	64.693	2011-06-13
114	unconnected	1588681	27378085507117366559	20	64.570	2010-03-17
115	unconnected	1188613	26317400414254437767	20	64.513	2010-10-02
116	unconnected	1793669	24120780261113101681	20	64.387	2010-11-20
117	unconnected	6374383	22198179787826288593	20	64.267	2011-12-22
118	unconnected	1261109	20080171562576104457	20	64.122	2010-12-29
119	unconnected	911879	19551204674631542119	20	64.084	2010-06-03
120	unconnected	1450741	16314739082639431607	20	63.823	2010-04-14
121	unconnected	2608121	14123803553269811473	20	63.615	2010-06-04
122	unconnected	2868787	13767157579224571889	20	63.578	2010-12-09
123	unconnected	1735849	13683478875686530727	20	63.569	2010-08-07
124	unconnected	2368273	11701974114760154207	20	63.343	2010-10-17
125	unconnected	1661917	11567228902612777831	20	63.327	2010-05-18
126	unconnected	1522463	11138369702247321959	20	63.272	2010-08-05
127	unconnected	1279027	10657214149838901647	20	63.208	2011-01-13
128	unconnected	2547821	9673544903237038487	19	63.069	2010-05-02
129	unconnected	2968391	9600175014793457839	19	63.058	2009-03-30
130	unconnected	2768567	9542891967508469039	19	63.049	2010-09-24
131	unconnected	2408303	9352200368081123159	19	63.020	2010-02-20
132	unconnected	1175173	8471778404322064681	19	62.877	2010-08-12
133	unconnected	1194163	8447657357288367329	19	62.873	2010-10-16
134	unconnected	2834017	8222515130783869241	19	62.834	2010-11-02
135	unconnected	804941	6319068221445863407	19	62.454	2010-08-13
136	unconnected	1537997	6072626443284545993	19	62.397	2010-04-21
137	unconnected	1193429	5557516745333665663	19	62.269	2011-04-11
138	unconnected	2863127	5310569286186989399	19	62.204	2010-12-02
139	unconnected	2453251	5232815125453695313	19	62.182	2010-03-12
140	unconnected	1183079	3899530923188957657	19	61.758	2010-09-03
141	unconnected	1637161	3596641557963775351	19	61.641	2010-04-30
142	unconnected	1574201	3389186350034195903	19	61.556	2010-03-09
143	unconnected	2857501	3334738578021262327	19	61.532	2010-11-25
144	unconnected	2650579	2961372854769373937	19	61.361	2010-07-01
145	unconnected	2786783	2863857287312729671	19	61.313	2010-10-09
146	unconnected	1631843	1954317741471351647	19	60.761	2010-04-25