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
56938027No factors below 274
P-1
B1=1 870 000
B2=50 000 000
LL
StatusDateUserResidueShift
Verified2013-05-04ewaldh65E13ED33BC2307936375241
Verified2021-06-07RichD065E13ED33BC2307932046505
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-08-09-Anonymous-LL double-check0.0 % 2020-08-092020-09-18
2020-06-29zbyszekLL double-checkLL0.0 % 2020-10-022020-08-08
2020-05-06-Anonymous-LL double-check0.0 % 2020-05-062020-06-15
2020-02-07-Anonymous-LL double-checkLL0.0 % 2020-02-262020-04-06
2019-10-22-Anonymous-LL double-check0.0 % 2019-10-222019-12-01
History
DateUserTypeResult
2021-06-07RichD0C-LL65E13ED33BC23079
2020-11-25EnsigmaNF-PM1B1=1870000, B2=50000000, e=12
2019-02-03TheJudgerNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^62 to 2^63
2016-01-07GregNFno factor from 2^72 to 2^73
2013-05-04ewaldhC-LL65E13ED33BC23079
2012-07-27rushynNF-PM1B1=695000
2011-11-15Simon HarrisonNFno factor from 2^71 to 2^72
2011-11-15Simon HarrisonNFno factor from 2^70 to 2^71
2011-09-10PiepenNFno factor from 2^69 to 2^70
2011-04-22chinabziNFno factor from 2^68 to 2^69
2009-11-23steinrarNFno factor from 2^67 to 2^68
2008-08-31Sturle SundeNFno factor from 2^66 to 2^67
2008-08-29Sturle SundeNFno factor from 2^65 to 2^66
2008-08-27Sturle SundeNFno factor from 2^64 to 2^65
2008-08-25James HeinrichNFno factor from 2^63 to 2^64
2005-01-20ThomRuleyNFno factor to 2^62
2002-11-16-Anonymous-NFno factor to 2^58
2001-09-30-Anonymous-NFno factor to 2^57
2000-06-28-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-23-Anonymous-NFno factor to 2^53