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

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
55644793No factors below 274
P-1
B1=550 000
B2=11 687 500
LL
StatusDateUserResidueShift
Verified2012-12-06Choi4KANGFD7841E6D53B855B47064944
Verified2021-05-11SyntonyFD7841E6D53B855B28657680
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2021-03-26nikodaioLL double-checkLL44.9 % 2021-04-042021-05-04
2020-03-20-Anonymous-LL double-check0.0 % 2020-03-202020-04-29
2019-12-26-Anonymous-LL double-checkLL5.6 % 2020-01-102020-02-19
2019-10-12-Anonymous-LL double-check0.0 % 2019-10-122019-11-21
2019-08-03-Anonymous-LL double-check0.0 % 2019-08-032019-09-12
2019-05-25-Anonymous-LL double-check0.0 % 2019-05-252019-07-04
2019-03-03-Anonymous-LL double-checkLL0.0 % 2019-03-162019-04-25
2018-12-23-Anonymous-LL double-check0.0 % 2018-12-232019-02-01
History
DateUserTypeResult
2021-05-11SyntonyC-LLFD7841E6D53B855B
2018-09-02linamentNFno factor from 2^73 to 2^74
2016-01-21Judge HaleNFno factor from 2^72 to 2^73
2012-12-06Choi4KANGC-LLFD7841E6D53B855B
2012-07-15TheJudgerNF-PM1B1=550000, B2=11687500, E=6
2012-04-28XyzzyNFno factor from 2^71 to 2^72
2012-04-28XyzzyNFno factor from 2^70 to 2^71
2011-05-29Paul LeylandNFno factor from 2^69 to 2^70
2011-04-12Martin RehrmannNFno factor from 2^68 to 2^69
2009-05-17rbanovNFno factor from 2^67 to 2^68
2009-01-14lindedNFno factor from 2^66 to 2^67
2009-01-11Helmut ZulusNFno factor from 2^65 to 2^66
2009-01-05ANONYMOUSNFno factor from 2^64 to 2^65
2008-08-25-Anonymous-NFno factor to 2^64
2002-08-03-Anonymous-NFno factor to 2^58
2001-09-30-Anonymous-NFno factor to 2^57
2000-05-31-Anonymous-NFno factor to 2^56
2000-03-01-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-15-Anonymous-NFno factor to 2^53