Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
670610893Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4122384577505241942492168.52018-03-29 13:52:55
History
DateUserTypeResult
2018-03-29ConductorF
Factor: 412238457750524194249 / TF: 68-69
2017-01-18NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-08sasakiNF
no factor from 2^66 to 2^67
2013-04-18ramgeisNF
no factor from 2^65 to 2^66