Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
121915231Factored
FactorDigitsBitsDate
152419756906189795188016792683.72024-03-21 08:18:45
P-1 factors
DateFactorB1B2
2024-03-211524197569061897951880167920000002000000
History
DateUserTypeResult
2024-03-21Dmitry BolshakovF-PM1
Factor: 15241975690618979518801679 / (P-1, B1=2000000)
2022-06-26TheJudgerNF
no factor from 2^76 to 2^77
2021-08-21TheJudgerNF
no factor from 2^75 to 2^76
2021-08-21TheJudgerNF
no factor from 2^74 to 2^75
2020-02-13Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-02-13Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-09-26Ilya AlexandrovNF
no factor from 2^71 to 2^72
2015-07-04XebecerNF
no factor from 2^70 to 2^71
2013-12-16GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-16GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-16GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-16Lukin DmitryNF
no factor from 2^65 to 2^66
2010-10-22Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-19-Anonymous-NF
no factor from 2^63 to 2^64