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

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MnStatusDetails
81469369Factored
FactorDigitsBitsDate
55472987358205136948620572582.22017-05-20 19:53:52
P-1 factors
DateFactorB1B2
2017-05-2055472987358205136948620576750000
History
DateUserTypeResult
2017-05-20AnthonyRaisF-PM1
Factor: 5547298735820513694862057 / (P-1, B1=675000)
2016-11-06TheJudgerNF
no factor from 2^74 to 2^75
2016-11-06TheJudgerNF
no factor from 2^73 to 2^74
2016-09-26Judge HaleNF
no factor from 2^72 to 2^73
2016-09-26Judge HaleNF
no factor from 2^71 to 2^72
2014-02-25Ryan PropperNF
no factor from 2^70 to 2^71
2013-02-09MadPooNF
no factor from 2^69 to 2^70
2013-02-05lindedNF
no factor from 2^68 to 2^69
2013-01-31Florimond C.NF
no factor from 2^67 to 2^68
2013-01-30phoenicisNF
no factor from 2^66 to 2^67
2012-08-05Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-14Architects CubedNF
no factor from 2^64 to 2^65