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

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MnStatusDetails
79432429Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
601390252158624082226892375.72016-09-21 00:50:30
P-1 factors
DateFactorB1B2
2016-09-216013902521586240822268966500013133750
History
DateUserTypeResult
2016-09-21baseyF-PM1
Factor: 60139025215862408222689 / (P-1, B1=665000, B2=13133750, E=6)
2016-08-08Judge HaleNF
no factor from 2^74 to 2^75
2016-08-08Judge HaleNF
no factor from 2^73 to 2^74
2016-08-08Judge HaleNF
no factor from 2^72 to 2^73
2014-01-30SRS TechnologyNF
no factor from 2^71 to 2^72
2013-01-25Per JessenNF
no factor from 2^70 to 2^71
2011-04-17S485122NF
no factor from 2^69 to 2^70
2011-04-17S485122NF
no factor from 2^68 to 2^69
2011-02-03PrimeCruncherNF
no factor from 2^67 to 2^68
2011-01-31tla2007NF
no factor from 2^66 to 2^67
2011-01-29GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-11-28subgeniusNF
no factor from 2^64 to 2^65
2009-05-29Architects CubedNF
no factor from 2^63 to 2^64