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
674544847Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4893870347060197734172168.72018-04-20 19:23:41
History
DateUserTypeResult
2018-04-20ConductorF
Factor: 489387034706019773417 / TF: 68-69
2016-12-27NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-10sasakiNF
no factor from 2^66 to 2^67
2013-12-31sasakiNF
no factor from 2^65 to 2^66
2012-01-25sasaki3NF
no factor from 2^64 to 2^65
2010-07-28Architects CubedNF
no factor from 2^63 to 2^64