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

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MnStatusDetails
80419883Factored
FactorDigitsBitsDate
138470364315258090035861772683.52017-04-09 19:55:58
P-1 factors
DateFactorB1B2
2017-04-091384703643152580900358617767500013500000
History
DateUserTypeResult
2017-04-09Sid & AndyF-PM1
Factor: 13847036431525809003586177 / (P-1, B1=675000, B2=13500000, E=6)
2016-10-16TheJudgerNF
no factor from 2^74 to 2^75
2016-10-16TheJudgerNF
no factor from 2^73 to 2^74
2016-04-15David CampeauNF
no factor from 2^72 to 2^73
2016-04-15David CampeauNF
no factor from 2^71 to 2^72
2013-06-02processinfoNF
no factor from 2^70 to 2^71
2013-02-26ITSNF
no factor from 2^69 to 2^70
2013-02-22ArtfulDodgerNF
no factor from 2^68 to 2^69
2013-02-16ArtfulDodgerNF
no factor from 2^67 to 2^68
2013-01-26phoenicisNF
no factor from 2^66 to 2^67
2011-08-10Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-09Architects CubedNF
no factor from 2^64 to 2^65