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

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MnStatusDetails
79472333Factored
FactorDigitsBitsDate
564104418837440050749432375.62016-09-30 18:39:52
P-1 factors
DateFactorB1B2
2016-09-305641044188374400507494366500013133750
History
DateUserTypeResult
2016-09-30baseyF-PM1
Factor: 56410441883744005074943 / (P-1, B1=665000, B2=13133750, E=6)
2016-08-14AirSquirrelsNF
no factor from 2^74 to 2^75
2016-08-14AirSquirrelsNF
no factor from 2^73 to 2^74
2016-08-14AirSquirrelsNF
no factor from 2^72 to 2^73
2016-02-22DerekNF
no factor from 2^71 to 2^72
2013-01-21Bold_SeekerNF
no factor from 2^70 to 2^71
2011-02-25eon_blue_apocalypseNF
no factor from 2^69 to 2^70
2011-02-22marnesNF
no factor from 2^68 to 2^69
2010-12-18TaxythingyNF
no factor from 2^67 to 2^68
2010-12-09Geoff WingNF
no factor from 2^66 to 2^67
2010-12-05Geoff WingNF
no factor from 2^65 to 2^66
2010-12-01Architects CubedNF
no factor from 2^64 to 2^65
2009-05-29Architects CubedNF
no factor from 2^63 to 2^64