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

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MnStatusDetails
86871361Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2153013745954820126158392477.52018-04-14 14:37:09
P-1 factors
DateFactorB1B2
2018-04-142153013745954820126158396900000
History
DateUserTypeResult
2018-04-14Smok_bmv F-PM1
Factor: 215301374595482012615839 / (P-1, B1=690000)
2018-02-10Strolling JellyfishNF
no factor from 2^75 to 2^76
2018-02-10Strolling JellyfishNF
no factor from 2^74 to 2^75
2017-06-15RichD0NF
no factor from 2^73 to 2^74
2017-04-29Strolling JellyfishNF
no factor from 2^72 to 2^73
2017-04-29Strolling JellyfishNF
no factor from 2^71 to 2^72
2014-11-28SMoffatNF
no factor from 2^70 to 2^71
2014-09-16driveByUpgradesNF
no factor from 2^69 to 2^70
2014-09-06CSLatDDNF
no factor from 2^68 to 2^69
2014-02-20SMoffatNF
no factor from 2^67 to 2^68
2013-06-18processinfoNF
no factor from 2^66 to 2^67
2013-01-30LaurVNF
no factor from 2^65 to 2^66
2010-11-23Architects CubedNF
no factor from 2^64 to 2^65