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
312839333Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6653229550631898001212169.22019-03-17 19:56:09
History
DateUserTypeResult
2019-03-17ConductorF
Factor: 665322955063189800121 / TF: 69-70
2018-08-02Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2017-02-12ANONYMOUSNF
no factor from 2^67 to 2^68
2016-02-23arnieNF
no factor from 2^66 to 2^67
2014-07-24tscNF
no factor from 2^65 to 2^66
2011-11-12EPFNF
no factor from 2^64 to 2^65