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

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MnStatusDetails
88187807Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
49658510752976839321532712582.02018-07-25 18:33:00
164763415604881139181896806332993.72018-07-25 18:33:00
P-1 factors
DateFactorB1B2
2018-07-258181905845512182016859115056303793463601053949630054372500013956250
History
DateUserTypeResult
2018-07-25ky0urakuF-PM1
Factor: 81819058455121820168591150563037934636010539496300543 / (P-1, B1=725000, B2=13956250, E=6)
2018-07-06Jon PaceNF
no factor from 2^75 to 2^76
2018-07-06Jon PaceNF
no factor from 2^74 to 2^75
2017-07-07-Anonymous-NF
no factor from 2^73 to 2^74
2017-07-07-Anonymous-NF
no factor from 2^72 to 2^73
2017-07-07-Anonymous-NF
no factor from 2^71 to 2^72
2014-08-28Meral HarbesNF
no factor from 2^70 to 2^71
2011-11-04wavelet3000NF
no factor from 2^69 to 2^70
2011-11-04wavelet3000NF
no factor from 2^68 to 2^69
2011-11-04wavelet3000NF
no factor from 2^67 to 2^68
2011-04-26wavelet3000NF
no factor from 2^66 to 2^67
2011-03-16wavelet3000NF
no factor from 2^65 to 2^66
2010-11-13Architects CubedNF
no factor from 2^64 to 2^65