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

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MnStatusDetails
81460859Factored
FactorDigitsBitsDate
5181225497340802647801372478.82017-05-17 09:25:41
P-1 factors
DateFactorB1B2
2017-05-1751812254973408026478013768500013015000
History
DateUserTypeResult
2017-05-17ConductorF-PM1
Factor: 518122549734080264780137 / (P-1, B1=685000, B2=13015000)
2016-11-06TheJudgerNF
no factor from 2^74 to 2^75
2016-11-06TheJudgerNF
no factor from 2^73 to 2^74
2013-02-04SWL551NF
no factor from 2^72 to 2^73
2013-02-04SWL551NF
no factor from 2^71 to 2^72
2013-02-04SWL551NF
no factor from 2^70 to 2^71
2013-02-04SWL551NF
no factor from 2^69 to 2^70
2013-02-04SWL551NF
no factor from 2^68 to 2^69
2013-02-04SWL551NF
no factor from 2^67 to 2^68
2013-01-30phoenicisNF
no factor from 2^66 to 2^67
2012-08-07Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-14Architects CubedNF
no factor from 2^64 to 2^65