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

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MnStatusDetails
80910023Factored
FactorDigitsBitsDate
876154267596674933173121309650050584937122.72017-03-18 16:29:17
P-1 factors
DateFactorB1B2
2017-03-18876154267596674933173121309650050584968000013600000
History
DateUserTypeResult
2017-03-18ATHF-PM1
Factor: 8761542675966749331731213096500505849 / (P-1, B1=680000, B2=13600000, E=6)
2016-11-01Mark RoseNF
no factor from 2^74 to 2^75
2016-10-26Judge HaleNF
no factor from 2^73 to 2^74
2013-06-12Juergen KampmeierNF
no factor from 2^72 to 2^73
2013-06-12Juergen KampmeierNF
no factor from 2^71 to 2^72
2013-06-12Juergen KampmeierNF
no factor from 2^70 to 2^71
2011-03-15benthomasNF
no factor from 2^69 to 2^70
2011-02-24MarekBNF
no factor from 2^68 to 2^69
2011-02-17MarekBNF
no factor from 2^67 to 2^68
2011-02-11MarekBNF
no factor from 2^66 to 2^67
2011-02-07Pi_RhoNF
no factor from 2^65 to 2^66
2010-12-10Architects CubedNF
no factor from 2^64 to 2^65