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
312712237Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7478985479825507205772169.32019-03-09 06:45:46
History
DateUserTypeResult
2019-03-09ConductorF
Factor: 747898547982550720577 / TF: 69-70
2018-08-02Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2017-02-12tscNF
no factor from 2^67 to 2^68
2016-02-23rubikvn2100NF
no factor from 2^66 to 2^67
2014-01-21lindeeNF
no factor from 2^65 to 2^66
2011-10-26RichardNF
no factor from 2^64 to 2^65