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
56732717No factors below 274
P-1
B1=600 000
B2=13 650 000
LL
StatusDateUserResidueShift
Verified2014-01-29James Rushworth43AF3C5603CB85291557966
Verified2021-05-11Steve Jacobson43AF3C5603CB852918678357
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-06-09TravisBackLL double-checkLL3.6 % 2020-06-162020-07-26
2020-04-13-Anonymous-LL double-checkLL6.6 % 2021-04-042020-06-04
2020-02-03-Anonymous-LL double-check0.0 % 2020-02-032020-03-14
2019-10-10-Anonymous-LL double-checkLL0.3 % 2021-03-222019-11-19
2019-03-13-Anonymous-LL double-check0.0 % 2019-03-132019-04-23
History
DateUserTypeResult
2021-05-11Steve JacobsonC-LL43AF3C5603CB8529
2018-09-27ChuckNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^61 to 2^63
2016-01-22-Anonymous-NFno factor from 2^72 to 2^73
2014-01-29James RushworthC-LL43AF3C5603CB8529
2012-03-10Jacques MOLNENFno factor from 2^71 to 2^72
2012-01-08TheJudgerNF-PM1B1=600000, B2=13650000, E=6
2011-12-08Tom DuellNFno factor from 2^70 to 2^71
2011-06-11steinrarNFno factor from 2^69 to 2^70
2011-04-21subgeniusNFno factor from 2^68 to 2^69
2009-07-25Johannes WeingartnerNFno factor from 2^67 to 2^68
2008-08-10Sturle SundeNFno factor from 2^66 to 2^67
2008-08-09Sturle SundeNFno factor from 2^65 to 2^66
2008-08-08Sturle SundeNFno factor from 2^64 to 2^65
2008-08-08Sturle SundeNFno factor from 2^63 to 2^64
2004-01-27ThomRuleyNFno factor to 2^61
2002-11-02-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