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
55882187No factors below 276
P-1
B1=1 000 000
B2=30 000 000
LL
StatusDateUserResidueShift
Verified2012-02-16Dr. Nowak529434DC1638D83D45603213
Bad2021-02-25AverageGatsby56DF14F0EC883BF122185221
Verified2021-03-13Kriesel529434DC1638D83D4884811
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-01-28-Anonymous-LL double-checkLL0.3 % 2020-09-092020-03-08
2019-11-08-Anonymous-LL double-checkLL0.0 % 2019-11-082019-12-18
2019-08-30-Anonymous-LL double-check0.0 % 2019-08-302019-10-09
2019-05-01-Anonymous-LL double-check0.0 % 2019-05-242019-07-03
2019-01-02-Anonymous-LL double-checkLL0.9 % 2019-02-202019-04-01
History
DateUserTypeResult
2021-03-13MadPooNFno factor from 2^75 to 2^76
2021-03-13KrieselC-LL529434DC1638D83D
2021-02-27MadPooNFno factor from 2^74 to 2^75
2021-02-26riccardo ubertiNF-PM1B1=1000000, B2=30000000, e=12
2021-02-25AverageGatsbyC-LL56DF14F0EC883BF1
2019-03-10dh1NFno factor from 2^73 to 2^74
2016-02-19-Anonymous-NFno factor from 2^72 to 2^73
2015-12-02LaurVNFno factor from 2^71 to 2^72
2012-02-16Dr. NowakC-LL529434DC1638D83D
2012-01-16Dr. NowakNF-PM1B1=765000
2011-10-10TheJudgerNFno factor from 2^70 to 2^71
2011-04-01kdgehmanNFno factor from 2^69 to 2^70
2011-04-01kdgehmanNFno factor from 2^68 to 2^69
2009-07-23stephensonNFno factor from 2^67 to 2^68
2009-01-19Gymnasium_RaublingNFno factor from 2^66 to 2^67
2009-01-17Gymnasium_RaublingNFno factor from 2^65 to 2^66
2009-01-15Gymnasium_RaublingNFno factor from 2^64 to 2^65
2008-12-081997rj7NFno factor to 2^64
2002-08-17-Anonymous-NFno factor to 2^58
2001-09-22-Anonymous-NFno factor to 2^57
2000-06-11-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