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
223995347Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
763235202539872547992066.02015-11-03 03:55:16
History
DateUserTypeResult
2015-11-03demfloroF
Factor: 76323520253987254799 / TF: 66-69
2013-09-01Lukin DmitryNF
no factor from 2^65 to 2^66
2011-06-18ANONYMOUSNF
no factor from 2^64 to 2^65