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
674712959Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4896204619287731369772168.72018-04-21 21:23:04
History
DateUserTypeResult
2018-04-21ConductorF
Factor: 489620461928773136977 / TF: 68-69
2016-12-27NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-14sasakiNF
no factor from 2^66 to 2^67
2013-12-30sasakiNF
no factor from 2^65 to 2^66