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

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MnStatusDetails
665853451Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4248781549521504868332168.52018-03-04 20:04:18
History
DateUserTypeResult
2018-03-04ConductorF
Factor: 424878154952150486833 / TF: 68-69
2016-03-19america64NF
no factor from 2^67 to 2^68
2014-04-28sasakiNF
no factor from 2^66 to 2^67
2011-11-05laleraNF
no factor from 2^65 to 2^66
2011-06-28laleraNF
no factor from 2^64 to 2^65
2010-06-13Architects CubedNF
no factor from 2^63 to 2^64