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
672368863Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3106679217456978272572168.12018-04-05 15:52:04
History
DateUserTypeResult
2018-04-05ConductorF
Factor: 310667921745697827257 / TF: 68-69
2017-01-07NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-11sasakiNF
no factor from 2^66 to 2^67
2014-01-04sasakiNF
no factor from 2^65 to 2^66