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
683871961Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4237144872984130160092168.52018-06-17 09:52:53
History
DateUserTypeResult
2018-06-17ConductorF
Factor: 423714487298413016009 / TF: 68-69
2016-10-24sasakiNF
no factor from 2^67 to 2^68
2014-07-31sasakiNF
no factor from 2^66 to 2^67
2014-02-03sasakiNF
no factor from 2^65 to 2^66