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
56087747No factors below 274
P-1
B1=600 000
B2=13 950 000
LL
StatusDateUserResidueShift
Verified2013-07-05curtisc7DE4586FA2A234E929408882
Verified2021-05-11Toyama Kasumi7DE4586FA2A234E923097960
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-03-11-Anonymous-LL double-check0.0 % 2020-03-112020-04-20
2019-12-21-Anonymous-LL double-check0.0 % 2019-12-212020-01-30
2019-09-09-Anonymous-LL double-check0.0 % 2019-09-092019-10-19
2019-06-20-Anonymous-LL double-checkLL0.4 % 2019-06-252019-08-04
2019-04-10-Anonymous-LL double-checkLL0.0 % 2019-04-102019-05-21
2019-01-08-Anonymous-LL double-checkLL0.0 % 2020-02-102019-02-17
History
DateUserTypeResult
2021-05-11Toyama KasumiC-LL7DE4586FA2A234E9
2019-02-03TheJudgerNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^60 to 2^63
2016-01-08-Anonymous-NFno factor from 2^72 to 2^73
2013-07-05curtiscC-LL7DE4586FA2A234E9
2012-05-09bcp19NFno factor from 2^71 to 2^72
2012-04-04jimmychauNF-PM1B1=600000, B2=13950000, E=12
2011-04-19steinrarNFno factor from 2^70 to 2^71
2011-04-19steinrarNFno factor from 2^69 to 2^70
2011-04-19steinrarNFno factor from 2^68 to 2^69
2009-05-19oodairaNFno factor from 2^67 to 2^68
2008-06-21Sturle SundeNFno factor from 2^66 to 2^67
2008-06-19Sturle SundeNFno factor from 2^65 to 2^66
2008-06-17James HeinrichNFno factor from 2^64 to 2^65
2008-06-16James HeinrichNFno factor from 2^63 to 2^64
2004-09-161997rj7NFno factor to 2^60
2002-08-31-Anonymous-NFno factor to 2^58
2001-09-16-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
1999-12-08-Anonymous-NFno factor to 2^53