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

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MnStatusDetails
90775123Factored
FactorDigitsBitsDate
683708646001963793228852472685.82019-04-05 18:13:31
P-1 factors
DateFactorB1B2
2019-04-056837086460019637932288524769500013205000
History
DateUserTypeResult
2019-04-05Jouni MakkonenF-PM1
Factor: 68370864600196379322885247 / (P-1, B1=695000, B2=13205000, E=12)
2019-03-20penluNF-PM1
B1=745000, B2=17507500, e=6
2019-01-20TheJudgerNF
no factor from 2^76 to 2^77
2018-12-09TheJudgerNF
no factor from 2^75 to 2^76
2018-12-09TheJudgerNF
no factor from 2^74 to 2^75
2018-12-09TheJudgerNF
no factor from 2^73 to 2^74
2017-06-21Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-06-05Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-11-19shaugeNF
no factor from 2^70 to 2^71
2014-03-31Preben SNF
no factor from 2^69 to 2^70
2013-06-26Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-02-13Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-12-02Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-11-06Carsten KossendeyNF
no factor from 2^65 to 2^66