Top ECM factors of Mersenne numbers

Top 500 ECM factors of the past 7 days

Biggest factors (all users)nfsecmp-1p+1any
Recent factors (all users)nfsecmp-1p+1any
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#UserExponentFactorDigitsBits ↓ *Date
1cramsey87264437442315588102568035690633668037985426464940131.7002024-03-13
2George Woltman819014824715946001171792802831015252156365738125.1822024-03-17
3lycorn26602310036274427073058824652185673112070336116.2732024-03-17
4100daysummer667019973315244801809129242084257771241734112.9072024-03-16
5TJAOI205308720927822622597594477014971972687133107.3672024-03-18
6Hexaflexagon856216067696964839533933208451719043932105.5812024-03-18
7TJAOI20479333927238365365684829888503721721732104.9532024-03-18
8TJAOI20507332482757676165775258089813920930332104.2922024-03-18
9debrouxl2564711922812595333771178116885955676131102.8642024-03-15
10Michal_F347513339720558317305525890843215047931101.4222024-03-17
11Michal_F347519222636500469089109301501916663331100.8132024-03-18
12axn957709151688443289670888881883258127131100.2592024-03-16
13lycorn26496112407760765664272788210712137773199.9692024-03-13
14TJAOI20537838886483394607781756612207575933099.4882024-03-18
15TJAOI20507176212581352539673456002848964093098.9712024-03-18
16TJAOI19417215723650216814344141037912058733098.8532024-03-18
17TJAOI19525675281009256016722007176407312073098.7372024-03-18
18TJAOI20435233103175300999356850022089724073097.9702024-03-18
19TJAOI19376593060347074137687209827483491433097.9502024-03-18
20TJAOI19444732304767473196071038827813076473097.5412024-03-18
21Thomas Kuehne3185909818954358434222938285416951772996.0482024-03-12
22TJAOI1957129503465790412484497832229893532995.3462024-03-18
23TJAOI1952437248870898096116759057937143292994.3292024-03-18
24TJAOI1940621123226734959418778524582077032993.3152024-03-18
25TJAOI205124981468358512349647587710412812892.7182024-03-18
26TJAOI205383773995281495034205599644869372892.5792024-03-18
27TJAOI205363169439520379710914207712523292892.4882024-03-18
28TJAOI196954350732838451821096034049305912892.0352024-03-18
29ANONYMOUS206257334681227715510852902809462412891.4862024-03-18
30TJAOI194129329363858920485048503937709992891.2462024-03-18
31TJAOI205367313771786896206504775529642492890.1542024-03-18
32GWS1157772099646755154076455021218030072789.6402024-03-13
33daveward200536633834246917280328577261882391132788.4572024-03-15
34TJAOI19496572060109839272928636523024792787.4132024-03-18
35TJAOI20387831894527785126271981563034892787.2922024-03-18
36TJAOI20477331774499714443754693956379032787.1982024-03-18
37Joe S.44097771338725432712525237978405672786.7912024-03-17
38TJAOI1940597854616421025725679308199272686.1432024-03-18
39Joe S.4339681742294727759024289110577132685.9402024-03-16
40ANONYMOUS4332179683392397742272507562862312685.8212024-03-15
41TJAOI2051701602179540755699627168800092685.6382024-03-18
42Michal_F344567524012864891907263849599432685.4382024-03-13
43David Grilli720901370245320774448851257540332684.9372024-03-17
44Anton Tsvetkov3052417366382002197797234305745512684.9222024-03-18
45TJAOI2038721324884178474576372464924392684.7482024-03-18
46Joe S.2709257171539850099095324383689832683.8272024-03-18
47MarkS256394395582522719323063340823992582.9832024-03-12
48TJAOI196403381256711964773289067600972582.7492024-03-18
49TJAOI194198365881249207398464831014632582.4462024-03-18
50TJAOI194449960617561764586332342861512582.3262024-03-18
51MartianPig226281155193060919973969506519432582.1912024-03-14
52TJAOI195714748018236468576657999037372581.9902024-03-18
53ANONYMOUS441253939224406307777120305417592581.6982024-03-13
54Joe S.363443913100117921693415877036812580.1162024-03-13
55TJAOI205062112185312462923052666737212580.0112024-03-18
56TJAOI205026112082163627151511218122232579.9992024-03-18
57Anton Tsvetkov256412311947624408903928901162472579.9832024-03-16
58TJAOI195061710063244133703029859576812579.7352024-03-18
59TJAOI20512199759500770941495237327672479.6912024-03-18
60ANONYMOUS25425119634068568768149742572472479.6722024-03-15
61Anton Tsvetkov22637418651648721010706310947272479.5172024-03-12
62TJAOI19585318371675454614342355107132479.4702024-03-18
63Vili41391718244667716831945167587372479.4482024-03-14
64TJAOI20506796941735029607033074486492479.2002024-03-18
65COMPUTRON900124385674775982418578704213878392478.6602024-03-17
66daveward200539042614764879764430550618309912478.6572024-03-13
67Poao41451714433314192650577215044892478.5532024-03-18
68TJAOI20435413153069824911500597830812478.0612024-03-18
69mikehike7531099692265457569226868352779212477.5842024-03-18
70TJAOI20506392243851352221522403768892477.5702024-03-18
71TJAOI20435991486696107298383130152732476.9762024-03-18
72TJAOI20435391142708853657618030372012476.5972024-03-18
73TJAOI19571171097410622140053598839832476.5382024-03-18
74TJAOI1962071783350580132906768176712376.0522024-03-18
75TJAOI1933457758836221390045602016232376.0062024-03-18
76TJAOI2051167580879461331809829665672375.6212024-03-18
77TJAOI1950679462751810932482129339292375.2932024-03-18
78Joe S.4410481382086883727594991084072375.0162024-03-17
79TJAOI2053757340136521837613801474632374.8492024-03-18
80MannImMond3608849269044412109091708047372374.5102024-03-12
81TJAOI1957357210021956798437955355112374.1532024-03-18
82debrouxl2566423109489130490634106321032373.2132024-03-15
83Ahmed Azhad441337398613362598179665237932273.0622024-03-17
84TJAOI195617951003357186603652787832272.1112024-03-18
85Wojciech Florek254323748259185702179304937672272.0312024-03-17
86MarkS256616311998038612505725146412270.0232024-03-13
87TJAOI20537718201702105490940512492169.4742024-03-18
88MarkS25664895508262100427861525612168.9002024-03-13
89TJAOI20442773158220633427952598892168.0982024-03-18