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

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MnStatusDetails
90637553Factored
FactorDigitsBitsDate
5037291568807163520377250646506475130935141135.22019-02-25 16:33:59
P-1 factors
DateFactorB1B2
2019-02-25503729156880716352037725064650647513093516950000
History
DateUserTypeResult
2019-02-25BattlemaxxF-PM1
Factor: 50372915688071635203772506465064751309351 / (P-1, B1=695000)
2019-01-20TheJudgerNF
no factor from 2^76 to 2^77
2018-12-02TheJudgerNF
no factor from 2^75 to 2^76
2018-12-02TheJudgerNF
no factor from 2^74 to 2^75
2018-12-02TheJudgerNF
no factor from 2^73 to 2^74
2017-04-28Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-07-01Carsten KossendeyNF
no factor from 2^71 to 2^72
2015-07-01Carsten KossendeyNF
no factor from 2^70 to 2^71
2014-02-02PascalBieriNF
no factor from 2^69 to 2^70
2012-07-18Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-07-11Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-26Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-10-30Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-04-08Carsten KossendeyNF
no factor from 2^64 to 2^65