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
228655183Factored
FactorDigitsBitsDate
4020481224581756135592168.42018-04-05 08:01:12
History
DateUserTypeResult
2018-04-05AlissonF
Factor: 402048122458175613559 / TF: 68-69
2015-11-14NoPolarBearsHereNF
no factor from 2^67 to 2^68
2015-10-04NumberwangNF
no factor from 2^66 to 2^67
2013-09-17tscNF
no factor from 2^65 to 2^66
2011-06-19Charles A. MorrisNF
no factor from 2^64 to 2^65