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

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MnStatusDetails
91216309Factored
FactorDigitsBitsDate
6465325309286679322453692479.12019-04-17 14:19:57
P-1 factors
DateFactorB1B2
2019-04-176465325309286679322453696950000
History
DateUserTypeResult
2019-04-17Jwb52zF-PM1
Factor: 646532530928667932245369 / (P-1, B1=695000)
2019-03-03TheJudgerNF
no factor from 2^76 to 2^77
2018-12-16TheJudgerNF
no factor from 2^75 to 2^76
2018-12-16TheJudgerNF
no factor from 2^74 to 2^75
2018-02-13gcardonaNF
no factor from 2^73 to 2^74
2018-02-13gcardonaNF
no factor from 2^72 to 2^73
2017-03-01monstNF
no factor from 2^71 to 2^72
2014-11-20shaugeNF
no factor from 2^70 to 2^71
2014-04-20TeamResslerTUBNF
no factor from 2^69 to 2^70
2014-04-15-Anonymous-NF
no factor from 2^68 to 2^69
2014-02-02Preben SNF
no factor from 2^67 to 2^68
2014-01-31GrunwalderGIMPNF
no factor from 2^66 to 2^67
2012-04-05c10ck3rNF
no factor from 2^65 to 2^66
2010-12-27Architects CubedNF
no factor from 2^64 to 2^65