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

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MnStatusDetails
90596873Factored
FactorDigitsBitsDate
1586392627233114831565371565735132103.62019-02-14 17:12:56
P-1 factors
DateFactorB1B2
2019-02-141586392627233114831565371565735169500013031250
History
DateUserTypeResult
2019-02-14ky0urakuF-PM1
Factor: 15863926272331148315653715657351 / (P-1, B1=695000, B2=13031250, E=6)
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
2018-11-22Carsten KossendeyNF
no factor from 2^73 to 2^74
2017-03-29Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-03-10Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-05CSLatDDNF
no factor from 2^70 to 2^71
2014-04-22Andreas_TruetschNF
no factor from 2^69 to 2^70
2012-05-29Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-03-06Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-19Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-10-21Carsten KossendeyNF
no factor from 2^65 to 2^66