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
312798991Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7254144415029801008812169.32019-03-15 05:00:39
History
DateUserTypeResult
2019-03-15ConductorF
Factor: 725414441502980100881 / TF: 69-70
2018-08-02Chabot PrimeNF
no factor from 2^68 to 2^69
2016-12-14sannerud.comNF
no factor from 2^67 to 2^68
2016-02-23VteamNF
no factor from 2^66 to 2^67
2014-01-19tscNF
no factor from 2^65 to 2^66
2011-10-26sasaki3NF
no factor from 2^64 to 2^65