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

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MnStatusDetails
257311081Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
837412177487478884632066.22015-12-18 15:29:31
History
DateUserTypeResult
2015-12-18ConductorF
Factor: 83741217748747888463 / TF: 66-67
2013-11-16tscNF
no factor from 2^65 to 2^66
2011-08-06vats09NF
no factor from 2^64 to 2^65
2010-03-12RichardNF
no factor from 2^63 to 2^64
2010-03-12RichardNF
no factor from 2^62 to 2^63