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
672576673Factored
FactorDigitsBitsDate
3939940953174876994392168.42018-04-06 12:21:39
History
DateUserTypeResult
2018-04-06ConductorF
Factor: 393994095317487699439 / TF: 68-69
2017-01-07NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-09sasakiNF
no factor from 2^66 to 2^67
2013-12-23sasakiNF
no factor from 2^65 to 2^66