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

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MnStatusDetails
68845081Factored
FactorDigitsBitsDate
165231555936897957018040332683.82015-01-10 05:02:13
P-1 factors
DateFactorB1B2
2015-01-101652315559368979570180403363000013072500
History
DateUserTypeResult
2015-01-10NesowaF-PM1
Factor: 16523155593689795701804033 / (P-1, B1=630000, B2=13072500, E=12)
2014-07-06TheJudgerNF
no factor from 2^73 to 2^74
2014-04-21ChuckNF
no factor from 2^72 to 2^73
2014-04-21ChuckNF
no factor from 2^71 to 2^72
2013-05-06MilldangNF
no factor from 2^70 to 2^71
2012-08-01GrunwalderGIMPNF
no factor from 2^69 to 2^70
2011-03-01eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2011-02-25eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-08-06GeneticflowNF
no factor from 2^66 to 2^67
2010-01-27Martin BernhardtNF
no factor from 2^65 to 2^66
2010-01-21angelbmNF
no factor from 2^64 to 2^65
2009-01-061997rj7NF
no factor to 2^64