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

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MnStatusDetails
102577817Factored
FactorDigitsBitsDate
8580290838345374964993612479.52021-02-09 07:41:48
P-1 factors
DateFactorB1B2
2021-02-0985802908383453749649936185500017955000
History
DateUserTypeResult
2021-02-09Ben DeloF-PM1
Factor: 858029083834537496499361 / (P-1, B1=855000, B2=17955000, E=12)
2020-11-08TheJudgerNF
no factor from 2^75 to 2^76
2020-11-08TheJudgerNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2020-03-09el groccoNF
no factor from 2^72 to 2^73
2014-12-10RichD0NF
no factor from 2^71 to 2^72
2014-10-20PascalBieriNF
no factor from 2^70 to 2^71
2014-07-14Preben SNF
no factor from 2^69 to 2^70
2014-07-09SMoffatNF
no factor from 2^68 to 2^69
2014-07-02PascalBieriNF
no factor from 2^67 to 2^68
2013-08-27-Anonymous-NF
no factor from 2^66 to 2^67
2012-04-23subgeniusNF
no factor from 2^65 to 2^66
2010-08-19AliNF
no factor from 2^64 to 2^65
2010-05-101997rj7NF
no factor from 2^63 to 2^64