Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
332301407Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 281
TF target 281
P-1
B1 = 3340000
B2 = 106045000
LL
StatusDateUserResidueShift
Unverified2015-12-08Shnobel913352798F7B0B__152379654
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-16-Anonymous-LL double-check0.00 % 2024-11-16
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2023-02-25Mark RoseNF
no factor from 2^80 to 2^81
2022-09-18Naegi MakotoNF
no factor from 2^79 to 2^80
2022-09-18Naegi MakotoNF
no factor from 2^78 to 2^79
2021-07-08Random GPUsNF
no factor from 2^77 to 2^78
2015-12-08ShnobelC-LL
913352798F7B0B__
2013-04-22Judge HaleNF
no factor from 2^76 to 2^77
2013-04-13Judge HaleNF-PM1
B1=3340000, B2=106045000, E=4
2013-03-12Judge HaleNF
no factor from 2^75 to 2^76
2013-03-08Judge HaleNF
no factor from 2^74 to 2^75
2013-02-28Team_InspectorNF
no factor from 2^73 to 2^74
2013-01-14LaurVNF
no factor from 2^72 to 2^73
2011-09-18Grant McCrackenNF
no factor from 2^71 to 2^72
2011-07-10Grant McCrackenNF
no factor from 2^70 to 2^71
2010-10-02SunfishNF
no factor from 2^69 to 2^70
2009-07-11Team_InspectorNF
no factor from 2^68 to 2^69