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

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MnStatusDetails
85541479Factored
FactorDigitsBitsDate
614549312057896669746789432685.72018-01-26 12:12:06
P-1 factors
DateFactorB1B2
2018-01-266145493120578966697467894370500012513750
History
DateUserTypeResult
2018-01-26Smok_bmv F-PM1
Factor: 61454931205789666974678943 / (P-1, B1=705000, B2=12513750)
2017-09-17TheJudgerNF
no factor from 2^75 to 2^76
2017-09-17TheJudgerNF
no factor from 2^74 to 2^75
2017-04-28-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-27Judge HaleNF
no factor from 2^72 to 2^73
2017-02-27Judge HaleNF
no factor from 2^71 to 2^72
2013-11-12Houd Al-ObaidliNF
no factor from 2^70 to 2^71
2013-03-10Vladimir TshegolevatykhNF
no factor from 2^69 to 2^70
2013-03-07Vladimir TshegolevatykhNF
no factor from 2^68 to 2^69
2013-03-04SMoffatNF
no factor from 2^67 to 2^68
2013-03-04wangyun183NF
no factor from 2^66 to 2^67
2013-03-01wangyun183NF
no factor from 2^65 to 2^66
2010-11-27Architects CubedNF
no factor from 2^64 to 2^65