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

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MnStatusDetails
79773019Factored
FactorDigitsBitsDate
667204676637964607658792375.82016-12-15 14:43:15
P-1 factors
DateFactorB1B2
2016-12-15667204676637964607658796650000
History
DateUserTypeResult
2016-12-15Pi_RhoF-PM1
Factor: 66720467663796460765879 / (P-1, B1=665000)
2016-08-27Chris SmithNF
no factor from 2^74 to 2^75
2016-08-27Chris SmithNF
no factor from 2^73 to 2^74
2016-08-24Matthias WurtingerNF
no factor from 2^72 to 2^73
2016-03-03DerekNF
no factor from 2^71 to 2^72
2013-02-06MurrayInfoSysNF
no factor from 2^70 to 2^71
2011-02-19manskyNF
no factor from 2^69 to 2^70
2011-02-13Eric FrankenbergNF
no factor from 2^68 to 2^69
2011-02-06SaraNF
no factor from 2^67 to 2^68
2011-02-05-Anonymous-NF
no factor from 2^66 to 2^67
2011-02-03Zet_korNF
no factor from 2^65 to 2^66
2010-11-30Architects CubedNF
no factor from 2^64 to 2^65
2009-05-29Architects CubedNF
no factor from 2^63 to 2^64