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
56985679No factors below 274
P-1
B1=570 000
B2=12 255 000
LL
StatusDateUserResidueShift
Verified2013-10-30sm0nAF1C68C1C6B9B9D316090136
Verified2021-05-11andrea.biancalanaAF1C68C1C6B9B9D32576464
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-08-11-Anonymous-LL double-check0.0 % 2020-08-112020-09-20
2020-07-01drspeedLL double-check0.0 % 2020-07-012020-08-10
2020-05-06-Anonymous-LL double-check0.0 % 2020-05-062020-06-15
2020-02-08-Anonymous-LL double-checkLL0.0 % 2020-02-222020-04-02
2019-11-01-Anonymous-LL double-check0.0 % 2019-11-012019-12-11
History
DateUserTypeResult
2021-05-11andrea.biancalanaC-LLAF1C68C1C6B9B9D3
2019-02-03TheJudgerNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^62 to 2^63
2016-01-03LaurVNFno factor from 2^72 to 2^73
2013-10-30sm0nC-LLAF1C68C1C6B9B9D3
2012-06-16-Anonymous-NF-PM1B1=570000, B2=12255000
2011-11-17Craig MeyersNFno factor from 2^70 to 2^72
2011-06-11Paul LeylandNFno factor from 2^69 to 2^70
2011-04-23S34960v5NFno factor from 2^68 to 2^69
2009-05-24subgeniusNFno factor from 2^67 to 2^68
2008-09-02James HeinrichNFno factor from 2^66 to 2^67
2008-09-01Sturle SundeNFno factor from 2^65 to 2^66
2008-08-31Sturle SundeNFno factor from 2^64 to 2^65
2008-08-30Sturle SundeNFno factor from 2^63 to 2^64
2005-01-20ThomRuleyNFno factor to 2^62
2002-11-24-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