Top ECM factors of Mersenne numbers

Top 500 ECM factors of the past 7 days

Biggest factors (all users)ecmpm1any
Recent factors (all users)ecmpm1any
Search by userecmpm1any

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#UserExponentFactorDigitsBits ↓ *Date
1Ryan Propper539345252008098148953426302876081530345850393996751196241754178.2402021-04-07 13:56:11
2Ryan Propper51973351653138446514619901414054697579959314762967060150164.5192021-04-05 11:55:59
3Ryan Propper547794446068448914233302128361493603395405261669835948159.3702021-04-05 01:43:41
4Ryan Propper598192089797111390446352168346388694423142226237975348159.3342021-04-05 01:43:42
5Ryan Propper4657487121887082361413194567152368693832363072571946151.7712021-04-05 11:56:41
6TJAOI13132393464202309004601984874204263659932104.7722021-04-09 16:11:28
7TJAOI5266331765327688211849069049538917440732103.8002021-04-09 16:07:20
8TJAOI1072229783585145192963034325903803272995.9842021-04-09 16:08:42
9TJAOI1313239524639256251575131215748781512995.4052021-04-09 16:11:28
10TJAOI573379435822624160696315891072298232995.1382021-04-09 16:08:12
11lycorn553573112707003127972381570194020092993.1872021-04-09 13:29:03
12TJAOI183001190734969578633108980841579932892.8742021-04-09 16:13:07
13TJAOI127520363523108141238609398374179532892.3592021-04-09 16:10:22
14TJAOI123706355457362483680402079880299992892.1632021-04-09 16:09:59
15TJAOI55699953132989954105225664053083192892.1022021-04-09 16:07:33
16TJAOI182086932971926704809764018574411132891.4132021-04-09 16:11:41
17TJAOI182589722219609422462170469406162092890.8442021-04-09 16:12:16
18TJAOI131329720203245179721692766797657772890.7072021-04-09 16:11:29
19TJAOI124420315163131671081090679802571212890.2932021-04-09 16:10:11
20TJAOI12913798681157941434618515043689192789.4882021-04-09 16:10:53
21monsted6311876311745909633354256408789132789.0282021-04-10 06:25:42
22TJAOI12931692481158878791245016865205832787.6812021-04-09 16:11:05
23TJAOI10816791938694126460071195432795912787.3252021-04-09 16:09:09
24TJAOI4543611369303579990900483830777832786.8242021-04-09 16:07:07
25volki6032831180006280472493843318544332786.6092021-04-08 06:28:50
26TJAOI1280837965536131457600378535906572686.3202021-04-09 16:10:43
27TJAOI1307183623822279998698954576792232685.6892021-04-09 16:11:17
28TJAOI1828681144864427146298816565197372683.5832021-04-09 16:12:55
29TJAOI1820353121092404559200111770882332683.3242021-04-09 16:11:41
30TJAOI182612979413849040538951594895112582.7162021-04-09 16:12:28
31TJAOI57420154111824016620893811544732582.1622021-04-09 16:08:29
32Zenzoma302695147430846529188156208911832581.9722021-04-10 05:38:25
33daveward2005347461943255736806392283249469292581.8392021-04-05 01:14:49
34TJAOI182819329435307136486400154180972581.2842021-04-09 16:12:53
35TJAOI123169728317175217066188744864732581.2282021-04-09 16:09:48
36TJAOI121288925715826040201033034565832581.0892021-04-09 16:09:38
37MIS247490924040485096115778304077992580.9922021-04-08 12:19:46
38TJAOI56960920993217702443330531570332580.7962021-04-09 16:07:54
39TJAOI12799216904754177614422479036712479.1922021-04-09 16:10:32
40TJAOI12092095790856601041611771473932478.9382021-04-09 16:09:25
41TJAOI18217494752634876915464916566712478.6532021-04-09 16:11:53
42mnd927767694451910225332975031903532478.5592021-04-09 17:59:09
43TJAOI18266114257606092812459963051272478.4942021-04-09 16:12:27
44TJAOI18261071775330413907513692962012477.2322021-04-09 16:12:27
45IanGlencross26458311557283207828226504295372477.0432021-04-08 09:58:36
46daveward200529205311291004460291467271715272476.7732021-04-09 16:23:06
47TJAOI12345311013999812470774838302072476.4242021-04-09 16:09:49
48TJAOI1827181925609620886474181362572376.2932021-04-09 16:12:40
49lycorn2182657786726305644792185952312376.0582021-04-08 07:41:45
50Zenzoma3402319345498418419656436249432374.8712021-04-09 23:52:27
51daveward20053061111327325603628135783604972374.7932021-04-10 07:57:46
52mnd93159889304431171812968695494712374.6892021-04-07 01:31:55
53RIHATEC2775943274325293337488149004392374.5382021-04-08 07:10:16
54riccardo uberti10966663249161154025221056580312374.4002021-04-08 20:57:46
55TJAOI1828669157657228491143761497292373.7392021-04-09 16:12:55
56_p95holder_1903441133918808063615935875772373.5042021-04-05 04:37:20
57TJAOI1824829107036955795961920699912373.1812021-04-09 16:12:04
58MarkS194777996862231651063408339192273.0362021-04-05 09:32:51
59TJAOI182606382821381945084786095932272.8112021-04-09 16:12:26
60daveward2005222377364976364432046312627372272.4602021-04-08 18:25:21
61TJAOI182047138436207631793279833132271.7032021-04-09 16:11:43
62RIHATEC259467135429777729165261585532271.5852021-04-09 11:28:12
63TJAOI182182129536209209937535901032271.3232021-04-09 16:11:54
64Poao19715038432469345447985765432169.5152021-04-09 20:25:20
65riccardo uberti109627814610070377336224956072168.6432021-04-06 09:57:58