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
233936671Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2200448358486670916632167.62016-10-06 13:32:30
History
DateUserTypeResult
2016-10-06NickF
Factor: 220044835848667091663 / TF: 67-68
2015-11-20daniel horacioNF
no factor from 2^66 to 2^67
2013-10-02Chang Chia-TcheNF
no factor from 2^65 to 2^66
2011-06-28Jud McCranieNF
no factor from 2^64 to 2^65