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

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MnStatusDetails
90190943Factored
FactorDigitsBitsDate
5119886800698944402276092478.82019-01-20 23:56:01
P-1 factors
DateFactorB1B2
2019-01-2051198868006989444022760969000012937500
History
DateUserTypeResult
2019-01-20ky0urakuF-PM1
Factor: 511988680069894440227609 / (P-1, B1=690000, B2=12937500, E=6)
2019-01-13TheJudgerNF
no factor from 2^76 to 2^77
2018-11-25TheJudgerNF
no factor from 2^75 to 2^76
2018-11-25TheJudgerNF
no factor from 2^74 to 2^75
2018-01-15Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-08-28Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-02-09Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-11-18shaugeNF
no factor from 2^70 to 2^71
2013-11-18Carsten KossendeyNF
no factor from 2^69 to 2^70
2011-05-03Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-12-18Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-07-23Carsten KossendeyNF
no factor from 2^66 to 2^67