Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
74682821Factored
FactorDigitsBitsDate
7704298258714135484271052583824932105.92016-03-14 03:31:33
P-1 factors
DateFactorB1B2
2016-03-14770429825871413548427105258382496250000
History
DateUserTypeResult
2016-04-02Mark RoseNF
no factor from 2^57 to 2^64
2016-03-14baseyF-PM1
Factor: 77042982587141354842710525838249 / (P-1, B1=625000)
2016-02-16AirSquirrelsNF
no factor from 2^74 to 2^75
2015-11-23AirSquirrelsNF
no factor from 2^73 to 2^74
2015-11-23AirSquirrelsNF
no factor from 2^72 to 2^73
2015-08-26FredrikNF
no factor from 2^71 to 2^72
2013-08-28willmoreNF
no factor from 2^70 to 2^71
2012-11-03NBNF
no factor from 2^69 to 2^70
2010-11-21eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2010-11-18ANONYMOUSNF
no factor from 2^67 to 2^68
2010-11-15CJPageNF
no factor from 2^66 to 2^67
2010-09-14Helmut ZulusNF
no factor from 2^65 to 2^66
2010-09-09Aldo_GridNF
no factor from 2^64 to 2^65