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
672946849Factored
FactorDigitsBitsDate
3944485315460105386972168.42018-04-09 07:41:09
History
DateUserTypeResult
2018-04-09ConductorF
Factor: 394448531546010538697 / TF: 68-69
2017-01-06NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-10sasakiNF
no factor from 2^66 to 2^67
2013-12-27sasakiNF
no factor from 2^65 to 2^66