Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
121725323Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
14618972568326098916461600012890.22024-03-19 17:10:11
P-1 factors
DateFactorB1B2
2024-03-191461897256832609891646160001894000894000
History
DateUserTypeResult
2024-03-19Dmitry BolshakovF-PM1
Factor: 1461897256832609891646160001 / (P-1, B1=894000)
2022-06-24TheJudgerNF
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
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-12-17SummyNF
no factor from 2^71 to 2^72
2015-06-16-Anonymous-NF
no factor from 2^70 to 2^71
2013-12-26GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-26GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-26GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-20RichardNF
no factor from 2^65 to 2^66
2010-10-23RMAC9.5NF
no factor from 2^64 to 2^65
2010-05-19sasaki3NF
no factor from 2^63 to 2^64