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

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MnStatusDetails
78531413Factored
FactorDigitsBitsDate
387608792204162006154412375.02016-06-10 09:43:28
P-1 factors
DateFactorB1B2
2016-06-10387608792204162006154416850000
History
DateUserTypeResult
2016-06-10NesowaF-PM1
Factor: 38760879220416200615441 / (P-1, B1=685000)
2016-06-02PDWNF
no factor from 2^74 to 2^75
2016-06-02PDWNF
no factor from 2^73 to 2^74
2016-05-30RichD0NF
no factor from 2^72 to 2^73
2015-07-23RichD0NF
no factor from 2^71 to 2^72
2014-04-07g0bNF
no factor from 2^70 to 2^71
2011-01-13GrunwalderGIMPNF
no factor from 2^69 to 2^70
2010-11-11GnorfeNF
no factor from 2^68 to 2^69
2010-11-10GnorfeNF
no factor from 2^67 to 2^68
2010-11-09rextheruntNF
no factor from 2^66 to 2^67
2010-11-04-Anonymous-NF
no factor from 2^65 to 2^66
2010-11-03GnorfeNF
no factor from 2^64 to 2^65