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
226921421Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2893979300299311321912168.02016-09-16 21:33:59
History
DateUserTypeResult
2016-09-16demfloroF
Factor: 289397930029931132191 / TF: 67-68
2015-11-08VteamNF
no factor from 2^66 to 2^67
2013-09-11Andrew BNF
no factor from 2^65 to 2^66
2011-06-18RichardNF
no factor from 2^64 to 2^65