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

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MnStatusDetails
80672513Factored
FactorDigitsBitsDate
77203427876212155787000012582.72017-02-10 20:21:21
P-1 factors
DateFactorB1B2
2017-02-1077203427876212155787000016750000
History
DateUserTypeResult
2017-02-10Jwb52zF-PM1
Factor: 7720342787621215578700001 / (P-1, B1=675000)
2016-08-30AirSquirrelsNF
no factor from 2^74 to 2^75
2016-08-30AirSquirrelsNF
no factor from 2^73 to 2^74
2016-08-30AirSquirrelsNF
no factor from 2^72 to 2^73
2014-02-10NRNF
no factor from 2^71 to 2^72
2014-02-10NRNF
no factor from 2^70 to 2^71
2013-02-02Bold_SeekerNF
no factor from 2^69 to 2^70
2013-01-30Bold_SeekerNF
no factor from 2^68 to 2^69
2013-01-28Bold_SeekerNF
no factor from 2^67 to 2^68
2013-01-26phoenicisNF
no factor from 2^66 to 2^67
2011-01-30ddboy3NF
no factor from 2^65 to 2^66
2010-12-03Architects CubedNF
no factor from 2^64 to 2^65