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
671314097Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4799793549499523719032168.72018-04-01 09:52:59
History
DateUserTypeResult
2018-04-01ConductorF
Factor: 479979354949952371903 / TF: 68-69
2017-01-14NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-06sasakiNF
no factor from 2^66 to 2^67
2013-04-19ramgeisNF
no factor from 2^65 to 2^66