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
677586197Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4722597721540187048412168.72018-05-16 21:58:47
History
DateUserTypeResult
2018-05-16ConductorF
Factor: 472259772154018704841 / TF: 68-69
2016-12-16NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-21sasakiNF
no factor from 2^66 to 2^67
2014-01-08sasakiNF
no factor from 2^65 to 2^66