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

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MnStatusDetails
78685703Factored
FactorDigitsBitsDate
486858157598198019510523800361731101.92016-06-27 14:56:08
P-1 factors
DateFactorB1B2
2016-06-2748685815759819801951052380036176650000
History
DateUserTypeResult
2016-06-27Brian BeuningF-PM1
Factor: 4868581575981980195105238003617 / (P-1, B1=665000)
2016-06-14AirSquirrelsNF
no factor from 2^74 to 2^75
2016-06-14AirSquirrelsNF
no factor from 2^73 to 2^74
2016-06-08BdotNF
no factor from 2^72 to 2^73
2015-09-08RichD0NF
no factor from 2^71 to 2^72
2013-05-27sannerud.comNF
no factor from 2^70 to 2^71
2013-02-11Clown_RoyalNF
no factor from 2^69 to 2^70
2012-04-08tmorrowNF
no factor from 2^68 to 2^69
2011-03-16Wolfgang StegerNF
no factor from 2^67 to 2^68
2011-03-10Phr3dNF
no factor from 2^66 to 2^67
2011-03-09Ujjwal ChaliseNF
no factor from 2^65 to 2^66
2010-11-06Marco FrühbeisNF
no factor from 2^64 to 2^65