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

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MnStatusDetails
79335163Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
403725327691621687609512375.12016-09-08 05:16:42
P-1 factors
DateFactorB1B2
2016-09-08403725327691621687609516650000
History
DateUserTypeResult
2016-09-08baseyF-PM1
Factor: 40372532769162168760951 / (P-1, B1=665000)
2016-08-11apocalypseNF
no factor from 2^74 to 2^75
2016-08-11apocalypseNF
no factor from 2^73 to 2^74
2016-08-11apocalypseNF
no factor from 2^72 to 2^73
2014-01-14Choi4KANGNF
no factor from 2^71 to 2^72
2013-05-27S00030NF
no factor from 2^70 to 2^71
2013-03-25ITSNF
no factor from 2^69 to 2^70
2013-01-22Florimond C.NF
no factor from 2^68 to 2^69
2012-10-08AxelssonNF
no factor from 2^67 to 2^68
2011-01-26HatchNF
no factor from 2^66 to 2^67
2011-01-24Stephan WelkerNF
no factor from 2^65 to 2^66
2009-07-11Patrik JohanssonNF
no factor from 2^64 to 2^65
2009-05-30Architects CubedNF
no factor from 2^63 to 2^64