Mersenne P-1 top factors

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M74524399 has a factor: 747679029252426826532803512346176559241 (129.136 bits)
M69024139 has a factor: 13155773268585455686880734307689 (103.375 bits)
M75058133 has a factor: 10962339707914992283528053889753 (103.112 bits)
M75917953 has a factor: 586244827838575042172218771993 (98.887 bits)
M77069513 has a factor: 90036402815747147615443998097 (96.184 bits)
M76972963 has a factor: 21123026503149058688159053183 (94.093 bits)
M73268873 has a factor: 17067909195566780591377154569 (93.785 bits)
M76055341 has a factor: 13520394302095845019911254977 (93.449 bits)
M73983053 has a factor: 10598875177807786951999866209 (93.098 bits)
M74901517 has a factor: 7309632812323153418145391591 (92.562 bits)
M78300811 has a factor: 6602721942884215903706690017 (92.415 bits)
M72382853 has a factor: 2071214372962873719066314833 (90.743 bits)
M76008263 has a factor: 1789698036583624729630433513 (90.532 bits)
M73122493 has a factor: 1715712176640291671555922431 (90.471 bits)
M77189279 has a factor: 1505995680426770595354964489 (90.283 bits)
M78122827 has a factor: 546163486555718666715429793 (88.819 bits)
M76076051 has a factor: 497505163873748687632717367 (88.685 bits)
M75148043 has a factor: 325588610503565951189656889 (88.073 bits)
M74019067 has a factor: 144260245473468811920710401 (86.899 bits)
M76095823 has a factor: 140363317985704793211652873 (86.859 bits)
M75925081 has a factor: 131273334740926115356838729 (86.763 bits)
M78300811 has a factor: 89295949248331951376021161 (86.207 bits)
M77185751 has a factor: 41012136663537802754513719 (85.084 bits)
M74937593 has a factor: 23594203574247502799692079 (84.287 bits)
M73946221 has a factor: 15724291398652983390774839 (83.701 bits)
M77097353 has a factor: 12478174127684770446011647 (83.368 bits)
M77194703 has a factor: 10949957254226178968618953 (83.179 bits)
M74838341 has a factor: 10309433239187007204928681 (83.092 bits)
M77077963 has a factor: 8723478709813451615515681 (82.851 bits)
M78078461 has a factor: 6003816087118701787723751 (82.312 bits)
M73921769 has a factor: 4592467090558812373354153 (81.926 bits)
M72838247 has a factor: 4247583503667239907873857 (81.813 bits)
M73268057 has a factor: 3439855342116818980813369 (81.509 bits)
M74029451 has a factor: 3393404742694954364374583 (81.489 bits)
M75966881 has a factor: 2331787413281168648940353 (80.948 bits)
M72414637 has a factor: 1941094377998218978575151 (80.683 bits)
M75982037 has a factor: 1557156392068293624694049 (80.365 bits)
M78182801 has a factor: 1231195520395344534862679 (80.026 bits)
M74483963 has a factor: 909283320107321775713711 (79.589 bits)
M75966391 has a factor: 857163336003848436711721 (79.504 bits)
M76079587 has a factor: 817589601608916390569071 (79.436 bits)
M72408113 has a factor: 709588216164499475650751 (79.231 bits)
M76169521 has a factor: 517755348890963149617281 (78.777 bits)
M78323473 has a factor: 472988745523027654034689 (78.646 bits)
M76163671 has a factor: 315450635973930914764649 (78.062 bits)
M77984761 has a factor: 287259663636351984784313 (77.927 bits)
M76028543 has a factor: 128443535664609802205017 (76.765 bits)
M78274751 has a factor: 122896718523600384370369 (76.702 bits)
M72200159 has a factor: 115874237399223541024313 (76.617 bits)
M75172577 has a factor: 113453249568144981199097 (76.586 bits)
M75172561 has a factor: 111181152257462305549009 (76.557 bits)
M74897723 has a factor: 110423544175190596852969 (76.547 bits)
M75355279 has a factor: 98894101214660333263817 (76.388 bits)
M78082063 has a factor: 87424945912040929510481 (76.210 bits)
M77251729 has a factor: 87092802962794826007121 (76.205 bits)
M76022213 has a factor: 86259384293065561365103 (76.191 bits)
M75273389 has a factor: 84389674727965141870471 (76.159 bits)
M77037731 has a factor: 71632270915560754356497 (75.923 bits)
M76118429 has a factor: 66628314742687813405841 (75.819 bits)
M74029213 has a factor: 62697151880690228542951 (75.731 bits)
M76067429 has a factor: 42261456940333576458217 (75.162 bits)
M78025099 has a factor: 41377570006991794789033 (75.131 bits)
M70163377 has a factor: 41131814290897310267561 (75.123 bits)
M77259157 has a factor: 41068972925475669148841 (75.120 bits)
M78371563 has a factor: 32619815364267102978823 (74.788 bits)

For copy-paste to forum:

[M]M74524399[/M] has a 129.136-bit (39-digit) factor: [url=https://www.mersenne.ca/M74524399]747679029252426826532803512346176559241[/url] (P-1,B1=610000,B2=610000)
[M]M69024139[/M] has a 103.375-bit (32-digit) factor: [url=https://www.mersenne.ca/M69024139]13155773268585455686880734307689[/url] (P-1,B1=590000,B2=8997500)
[M]M75058133[/M] has a 103.112-bit (32-digit) factor: [url=https://www.mersenne.ca/M75058133]10962339707914992283528053889753[/url] (P-1,B1=660000,B2=10065000)
[M]M75917953[/M] has a 98.887-bit (30-digit) factor: [url=https://www.mersenne.ca/M75917953]586244827838575042172218771993[/url] (P-1,B1=670000,B2=670000)
[M]M77069513[/M] has a 96.184-bit (29-digit) factor: [url=https://www.mersenne.ca/M77069513]90036402815747147615443998097[/url] (P-1,B1=685000,B2=685000)
[M]M76972963[/M] has a 94.093-bit (29-digit) factor: [url=https://www.mersenne.ca/M76972963]21123026503149058688159053183[/url] (P-1,B1=685000,B2=685000)
[M]M73268873[/M] has a 93.785-bit (29-digit) factor: [url=https://www.mersenne.ca/M73268873]17067909195566780591377154569[/url] (P-1,B1=595000,B2=8627500)
[M]M76055341[/M] has a 93.449-bit (29-digit) factor: [url=https://www.mersenne.ca/M76055341]13520394302095845019911254977[/url] (P-1,B1=670000,B2=10385000)
[M]M73983053[/M] has a 93.098-bit (29-digit) factor: [url=https://www.mersenne.ca/M73983053]10598875177807786951999866209[/url] (P-1,B1=650000,B2=9750000)
[M]M74901517[/M] has a 92.562-bit (28-digit) factor: [url=https://www.mersenne.ca/M74901517]7309632812323153418145391591[/url] (P-1,B1=615000,B2=615000)
[M]M78300811[/M] has a 92.415-bit (28-digit) factor: [url=https://www.mersenne.ca/M78300811]6602721942884215903706690017[/url] (P-1,B1=690000,B2=690000)
[M]M72382853[/M] has a 90.743-bit (28-digit) factor: [url=https://www.mersenne.ca/M72382853]2071214372962873719066314833[/url] (P-1,B1=590000,B2=8702500)
[M]M76008263[/M] has a 90.532-bit (28-digit) factor: [url=https://www.mersenne.ca/M76008263]1789698036583624729630433513[/url] (P-1,B1=670000,B2=670000)
[M]M73122493[/M] has a 90.471-bit (28-digit) factor: [url=https://www.mersenne.ca/M73122493]1715712176640291671555922431[/url] (P-1,B1=635000,B2=9842500)
[M]M77189279[/M] has a 90.283-bit (28-digit) factor: [url=https://www.mersenne.ca/M77189279]1505995680426770595354964489[/url] (P-1,B1=685000,B2=685000)
[M]M78122827[/M] has a 88.819-bit (27-digit) factor: [url=https://www.mersenne.ca/M78122827]546163486555718666715429793[/url] (P-1,B1=685000,B2=9932500)
[M]M76076051[/M] has a 88.685-bit (27-digit) factor: [url=https://www.mersenne.ca/M76076051]497505163873748687632717367[/url] (P-1,B1=625000,B2=625000)
[M]M75148043[/M] has a 88.073-bit (27-digit) factor: [url=https://www.mersenne.ca/M75148043]325588610503565951189656889[/url] (P-1,B1=620000,B2=620000)
[M]M74019067[/M] has a 86.899-bit (27-digit) factor: [url=https://www.mersenne.ca/M74019067]144260245473468811920710401[/url] (P-1,B1=605000,B2=8772500)
[M]M76095823[/M] has a 86.859-bit (27-digit) factor: [url=https://www.mersenne.ca/M76095823]140363317985704793211652873[/url] (P-1,B1=670000,B2=10385000)
[M]M75925081[/M] has a 86.763-bit (27-digit) factor: [url=https://www.mersenne.ca/M75925081]131273334740926115356838729[/url] (P-1,B1=670000,B2=670000)
[M]M78300811[/M] has a 86.207-bit (26-digit) factor: [url=https://www.mersenne.ca/M78300811]89295949248331951376021161[/url] (P-1,B1=690000,B2=690000)
[M]M77185751[/M] has a 85.084-bit (26-digit) factor: [url=https://www.mersenne.ca/M77185751]41012136663537802754513719[/url] (P-1,B1=685000,B2=10617500)
[M]M74937593[/M] has a 84.287-bit (26-digit) factor: [url=https://www.mersenne.ca/M74937593]23594203574247502799692079[/url] (P-1,B1=615000,B2=8917500)
[M]M73946221[/M] has a 83.701-bit (26-digit) factor: [url=https://www.mersenne.ca/M73946221]15724291398652983390774839[/url] (P-1,B1=650000,B2=9750000)
[M]M77097353[/M] has a 83.368-bit (26-digit) factor: [url=https://www.mersenne.ca/M77097353]12478174127684770446011647[/url] (P-1,B1=685000,B2=10617500)
[M]M77194703[/M] has a 83.179-bit (26-digit) factor: [url=https://www.mersenne.ca/M77194703]10949957254226178968618953[/url] (P-1,B1=685000,B2=685000)
[M]M74838341[/M] has a 83.092-bit (26-digit) factor: [url=https://www.mersenne.ca/M74838341]10309433239187007204928681[/url] (P-1,B1=610000,B2=610000)
[M]M77077963[/M] has a 82.851-bit (25-digit) factor: [url=https://www.mersenne.ca/M77077963]8723478709813451615515681[/url] (P-1,B1=685000,B2=685000)
[M]M78078461[/M] has a 82.312-bit (25-digit) factor: [url=https://www.mersenne.ca/M78078461]6003816087118701787723751[/url] (P-1,B1=690000,B2=690000)
[M]M73921769[/M] has a 81.926-bit (25-digit) factor: [url=https://www.mersenne.ca/M73921769]4592467090558812373354153[/url] (P-1,B1=605000,B2=605000)
[M]M72838247[/M] has a 81.813-bit (25-digit) factor: [url=https://www.mersenne.ca/M72838247]4247583503667239907873857[/url] (P-1,B1=595000,B2=8776250)
[M]M73268057[/M] has a 81.509-bit (25-digit) factor: [url=https://www.mersenne.ca/M73268057]3439855342116818980813369[/url] (P-1,B1=595000,B2=595000)
[M]M74029451[/M] has a 81.489-bit (25-digit) factor: [url=https://www.mersenne.ca/M74029451]3393404742694954364374583[/url] (P-1,B1=605000,B2=605000)
[M]M75966881[/M] has a 80.948-bit (25-digit) factor: [url=https://www.mersenne.ca/M75966881]2331787413281168648940353[/url] (P-1,B1=625000,B2=625000)
[M]M72414637[/M] has a 80.683-bit (25-digit) factor: [url=https://www.mersenne.ca/M72414637]1941094377998218978575151[/url] (P-1,B1=590000,B2=8702500)
[M]M75982037[/M] has a 80.365-bit (25-digit) factor: [url=https://www.mersenne.ca/M75982037]1557156392068293624694049[/url] (P-1,B1=625000,B2=9375000)
[M]M78182801[/M] has a 80.026-bit (25-digit) factor: [url=https://www.mersenne.ca/M78182801]1231195520395344534862679[/url] (P-1,B1=690000,B2=690000)
[M]M74483963[/M] has a 79.589-bit (24-digit) factor: [url=https://www.mersenne.ca/M74483963]909283320107321775713711[/url] (P-1,B1=630000,B2=630000)
[M]M75966391[/M] has a 79.504-bit (24-digit) factor: [url=https://www.mersenne.ca/M75966391]857163336003848436711721[/url] (P-1,B1=625000,B2=9375000)
[M]M76079587[/M] has a 79.436-bit (24-digit) factor: [url=https://www.mersenne.ca/M76079587]817589601608916390569071[/url] (P-1,B1=625000,B2=9375000)
[M]M72408113[/M] has a 79.231-bit (24-digit) factor: [url=https://www.mersenne.ca/M72408113]709588216164499475650751[/url] (P-1,B1=590000,B2=590000)
[M]M76169521[/M] has a 78.777-bit (24-digit) factor: [url=https://www.mersenne.ca/M76169521]517755348890963149617281[/url] (P-1,B1=625000,B2=625000)
[M]M78323473[/M] has a 78.646-bit (24-digit) factor: [url=https://www.mersenne.ca/M78323473]472988745523027654034689[/url] (P-1,B1=690000,B2=690000)
[M]M76163671[/M] has a 78.062-bit (24-digit) factor: [url=https://www.mersenne.ca/M76163671]315450635973930914764649[/url] (P-1,B1=625000,B2=625000)
[M]M77984761[/M] has a 77.927-bit (24-digit) factor: [url=https://www.mersenne.ca/M77984761]287259663636351984784313[/url] (P-1,B1=685000,B2=685000)
[M]M76028543[/M] has a 76.765-bit (24-digit) factor: [url=https://www.mersenne.ca/M76028543]128443535664609802205017[/url] (P-1,B1=670000,B2=670000)
[M]M78274751[/M] has a 76.702-bit (24-digit) factor: [url=https://www.mersenne.ca/M78274751]122896718523600384370369[/url] (P-1,B1=690000,B2=10350000)
[M]M72200159[/M] has a 76.617-bit (24-digit) factor: [url=https://www.mersenne.ca/M72200159]115874237399223541024313[/url] (P-1,B1=590000,B2=8702500)
[M]M75172577[/M] has a 76.586-bit (24-digit) factor: [url=https://www.mersenne.ca/M75172577]113453249568144981199097[/url] (P-1,B1=620000,B2=620000)
[M]M75172561[/M] has a 76.557-bit (24-digit) factor: [url=https://www.mersenne.ca/M75172561]111181152257462305549009[/url] (P-1,B1=620000,B2=620000)
[M]M74897723[/M] has a 76.547-bit (24-digit) factor: [url=https://www.mersenne.ca/M74897723]110423544175190596852969[/url] (P-1,B1=615000,B2=615000)
[M]M75355279[/M] has a 76.388-bit (23-digit) factor: [url=https://www.mersenne.ca/M75355279]98894101214660333263817[/url] (P-1,B1=620000,B2=620000)
[M]M78082063[/M] has a 76.210-bit (23-digit) factor: [url=https://www.mersenne.ca/M78082063]87424945912040929510481[/url] (P-1,B1=690000,B2=690000)
[M]M77251729[/M] has a 76.205-bit (23-digit) factor: [url=https://www.mersenne.ca/M77251729]87092802962794826007121[/url] (P-1,B1=685000,B2=685000)
[M]M76022213[/M] has a 76.191-bit (23-digit) factor: [url=https://www.mersenne.ca/M76022213]86259384293065561365103[/url] (P-1,B1=625000,B2=9375000)
[M]M75273389[/M] has a 76.159-bit (23-digit) factor: [url=https://www.mersenne.ca/M75273389]84389674727965141870471[/url] (P-1,B1=620000,B2=620000)
[M]M77037731[/M] has a 75.923-bit (23-digit) factor: [url=https://www.mersenne.ca/M77037731]71632270915560754356497[/url] (P-1,B1=685000,B2=685000)
[M]M76118429[/M] has a 75.819-bit (23-digit) factor: [url=https://www.mersenne.ca/M76118429]66628314742687813405841[/url] (P-1,B1=670000,B2=670000)
[M]M74029213[/M] has a 75.731-bit (23-digit) factor: [url=https://www.mersenne.ca/M74029213]62697151880690228542951[/url] (P-1,B1=605000,B2=605000)
[M]M76067429[/M] has a 75.162-bit (23-digit) factor: [url=https://www.mersenne.ca/M76067429]42261456940333576458217[/url] (P-1,B1=625000,B2=625000)
[M]M78025099[/M] has a 75.131-bit (23-digit) factor: [url=https://www.mersenne.ca/M78025099]41377570006991794789033[/url] (P-1,B1=690000,B2=10350000)
[M]M70163377[/M] has a 75.123-bit (23-digit) factor: [url=https://www.mersenne.ca/M70163377]41131814290897310267561[/url] (P-1,B1=620000,B2=9610000)
[M]M77259157[/M] has a 75.120-bit (23-digit) factor: [url=https://www.mersenne.ca/M77259157]41068972925475669148841[/url] (P-1,B1=685000,B2=685000)
[M]M78371563[/M] has a 74.788-bit (23-digit) factor: [url=https://www.mersenne.ca/M78371563]32619815364267102978823[/url] (P-1,B1=685000,B2=9932500)

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 guru	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
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Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for guru

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	guru	74524399	747679029252426826532803512346176559241	39	129.136	2016-01-03
2	guru	69024139	13155773268585455686880734307689	32	103.375	2015-04-11
3	guru	75058133	10962339707914992283528053889753	32	103.112	2015-04-26
4	guru	75917953	586244827838575042172218771993	30	98.887	2015-04-24
5	guru	77069513	90036402815747147615443998097	29	96.184	2015-05-20
6	guru	76972963	21123026503149058688159053183	29	94.093	2015-04-28
7	guru	73268873	17067909195566780591377154569	29	93.785	2015-04-13
8	guru	76055341	13520394302095845019911254977	29	93.449	2015-05-04
9	guru	73983053	10598875177807786951999866209	29	93.098	2015-04-27
10	guru	74901517	7309632812323153418145391591	28	92.562	2015-12-27
11	guru	78300811	6602721942884215903706690017	28	92.415	2015-05-29
12	guru	72382853	2071214372962873719066314833	28	90.743	2015-07-11
13	guru	76008263	1789698036583624729630433513	28	90.532	2015-05-26
14	guru	73122493	1715712176640291671555922431	28	90.471	2015-04-23
15	guru	77189279	1505995680426770595354964489	28	90.283	2015-04-26
16	guru	78122827	546163486555718666715429793	27	88.819	2015-05-23
17	guru	76076051	497505163873748687632717367	27	88.685	2015-05-18
18	guru	75148043	325588610503565951189656889	27	88.073	2016-01-02
19	guru	74019067	144260245473468811920710401	27	86.899	2015-04-20
20	guru	76095823	140363317985704793211652873	27	86.859	2015-05-13
21	guru	75925081	131273334740926115356838729	27	86.763	2015-04-24
22	guru	78300811	89295949248331951376021161	26	86.207	2015-05-29
23	guru	77185751	41012136663537802754513719	26	85.084	2015-06-15
24	guru	74937593	23594203574247502799692079	26	84.287	2016-01-01
25	guru	73946221	15724291398652983390774839	26	83.701	2015-04-18
26	guru	77097353	12478174127684770446011647	26	83.368	2015-06-03
27	guru	77194703	10949957254226178968618953	26	83.179	2015-06-05
28	guru	74838341	10309433239187007204928681	26	83.092	2015-04-08
29	guru	77077963	8723478709813451615515681	25	82.851	2015-05-18
30	guru	78078461	6003816087118701787723751	25	82.312	2015-05-15
31	guru	73921769	4592467090558812373354153	25	81.926	2015-12-28
32	guru	72838247	4247583503667239907873857	25	81.813	2015-04-09
33	guru	73268057	3439855342116818980813369	25	81.509	2015-04-03
34	guru	74029451	3393404742694954364374583	25	81.489	2015-04-02
35	guru	75966881	2331787413281168648940353	25	80.948	2015-04-19
36	guru	72414637	1941094377998218978575151	25	80.683	2015-07-20
37	guru	75982037	1557156392068293624694049	25	80.365	2015-04-02
38	guru	78182801	1231195520395344534862679	25	80.026	2015-05-12
39	guru	74483963	909283320107321775713711	24	79.589	2015-12-20
40	guru	75966391	857163336003848436711721	24	79.504	2015-05-04
41	guru	76079587	817589601608916390569071	24	79.436	2015-05-17
42	guru	72408113	709588216164499475650751	24	79.231	2015-07-21
43	guru	76169521	517755348890963149617281	24	78.777	2015-06-20
44	guru	78323473	472988745523027654034689	24	78.646	2015-06-23
45	guru	76163671	315450635973930914764649	24	78.062	2015-07-22
46	guru	77984761	287259663636351984784313	24	77.927	2015-05-06
47	guru	76028543	128443535664609802205017	24	76.765	2015-04-22
48	guru	78274751	122896718523600384370369	24	76.702	2015-06-02
49	guru	72200159	115874237399223541024313	24	76.617	2015-06-26
50	guru	75172577	113453249568144981199097	24	76.586	2016-01-06
51	guru	75172561	111181152257462305549009	24	76.557	2016-01-06
52	guru	74897723	110423544175190596852969	24	76.547	2015-12-27
53	guru	75355279	98894101214660333263817	23	76.388	2016-01-31
54	guru	78082063	87424945912040929510481	23	76.210	2015-05-05
55	guru	77251729	87092802962794826007121	23	76.205	2015-06-04
56	guru	76022213	86259384293065561365103	23	76.191	2015-04-20
57	guru	75273389	84389674727965141870471	23	76.159	2016-01-31
58	guru	77037731	71632270915560754356497	23	75.923	2015-04-29
59	guru	76118429	66628314742687813405841	23	75.819	2015-04-28
60	guru	74029213	62697151880690228542951	23	75.731	2015-04-04
61	guru	76067429	42261456940333576458217	23	75.162	2015-07-14
62	guru	78025099	41377570006991794789033	23	75.131	2015-05-08
63	guru	70163377	41131814290897310267561	23	75.123	2015-04-27
64	guru	77259157	41068972925475669148841	23	75.120	2015-06-04
65	guru	78371563	32619815364267102978823	23	74.788	2015-06-19