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

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MnStatusDetails
683681447Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4297241974571764453612168.52018-06-16 12:05:43
History
DateUserTypeResult
2018-06-16ConductorF
Factor: 429724197457176445361 / TF: 68-69
2016-10-26sasakiNF
no factor from 2^67 to 2^68
2014-07-29sasakiNF
no factor from 2^66 to 2^67
2014-01-30sasakiNF
no factor from 2^65 to 2^66
2012-01-31larryh57NF
no factor from 2^64 to 2^65
2010-07-09Architects CubedNF
no factor from 2^63 to 2^64