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

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MnStatusDetails
86581349Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
483937694665802014772810653992995.32018-03-30 18:39:05
P-1 factors
DateFactorB1B2
2018-03-304839376946658020147728106539969000012420000
History
DateUserTypeResult
2018-03-30Smok_bmv F-PM1
Factor: 48393769466580201477281065399 / (P-1, B1=690000, B2=12420000)
2018-02-18TheJudgerNF
no factor from 2^75 to 2^76
2018-02-14Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-19-Anonymous-NF
no factor from 2^73 to 2^74
2017-05-05Matthias WurtingerNF
no factor from 2^72 to 2^73
2013-07-26SRS TechnologyNF
no factor from 2^71 to 2^72
2013-07-26SRS TechnologyNF
no factor from 2^70 to 2^71
2013-06-21PascalBieriNF
no factor from 2^69 to 2^70
2013-03-28SMoffatNF
no factor from 2^68 to 2^69
2013-03-27SMoffatNF
no factor from 2^67 to 2^68
2013-03-26wangyun183NF
no factor from 2^66 to 2^67
2011-02-08Michael CNF
no factor from 2^65 to 2^66
2010-11-22Architects CubedNF
no factor from 2^64 to 2^65