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

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MnStatusDetails
89681929Factored
FactorDigitsBitsDate
5587165880252214302548476232788.92018-12-21 04:48:21
P-1 factors
DateFactorB1B2
2018-12-215587165880252214302548476238500000
History
DateUserTypeResult
2018-12-21KingF-PM1
Factor: 558716588025221430254847623 / (P-1, B1=850000)
2018-11-04TheJudgerNF
no factor from 2^75 to 2^76
2018-11-04TheJudgerNF
no factor from 2^74 to 2^75
2017-10-17Tim SorberaNF
no factor from 2^73 to 2^74
2017-09-28lemonlurkerNF
no factor from 2^72 to 2^73
2017-09-28lemonlurkerNF
no factor from 2^71 to 2^72
2013-08-18SMoffatNF
no factor from 2^70 to 2^71
2013-03-24SWL551NF
no factor from 2^69 to 2^70
2013-03-24SWL551NF
no factor from 2^68 to 2^69
2013-03-24SWL551NF
no factor from 2^67 to 2^68
2013-03-24SWL551NF
no factor from 2^66 to 2^67
2013-03-23g0bNF
no factor from 2^65 to 2^66
2010-11-11Architects CubedNF
no factor from 2^64 to 2^65