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
673664993Factored
FactorDigitsBitsDate
3982162319305051891932168.42018-04-16 06:25:34
History
DateUserTypeResult
2018-04-16ConductorF
Factor: 398216231930505189193 / TF: 68-69
2017-01-04NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-10sasakiNF
no factor from 2^66 to 2^67
2013-12-28sasakiNF
no factor from 2^65 to 2^66