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

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MnStatusDetails
88321889Factored
FactorDigitsBitsDate
393594664339318968629415037310505299337121.62018-08-06 02:38:29
P-1 factors
DateFactorB1B2
2018-08-06393594664339318968629415037310505299371500013763750
History
DateUserTypeResult
2018-08-06Chang Chia-TcheF-PM1
Factor: 3935946643393189686294150373105052993 / (P-1, B1=715000, B2=13763750)
2018-07-18tServoNF
no factor from 2^75 to 2^76
2018-07-17RichD0NF
no factor from 2^74 to 2^75
2017-07-18RichD0NF
no factor from 2^73 to 2^74
2017-07-11GregNF
no factor from 2^72 to 2^73
2014-01-27SMoffatNF
no factor from 2^71 to 2^72
2013-11-21RobishNF
no factor from 2^70 to 2^71
2011-11-24wavelet3000NF
no factor from 2^69 to 2^70
2011-11-24wavelet3000NF
no factor from 2^68 to 2^69
2011-04-20wavelet3000NF
no factor from 2^67 to 2^68
2011-04-12wavelet3000NF
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