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

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MnStatusDetails
97983649Factored
FactorDigitsBitsDate
1558193849820139843874892477.02020-05-21 08:14:39
P-1 factors
DateFactorB1B2
2020-05-211558193849820139843874897650000
History
DateUserTypeResult
2020-05-21Sergey NosovF-PM1
Factor: 155819384982013984387489 / (P-1, B1=765000)
2020-02-09TheJudgerNF
no factor from 2^76 to 2^77
2020-01-22TheJudgerNF
no factor from 2^75 to 2^76
2020-01-22TheJudgerNF
no factor from 2^74 to 2^75
2019-12-06Architects CubedNF
no factor from 2^73 to 2^74
2019-03-07Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-27Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-06-11Smok_bmv NF
no factor from 2^70 to 2^71
2014-06-02ANONYMOUSNF
no factor from 2^69 to 2^70
2014-05-21PgaborNF
no factor from 2^68 to 2^69
2014-05-21PgaborNF
no factor from 2^67 to 2^68
2014-02-01sasakiNF
no factor from 2^65 to 2^67
2011-01-08Architects CubedNF
no factor from 2^64 to 2^65