Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
318038249Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4249209317380830470812168.52016-12-07 19:50:57
History
DateUserTypeResult
2025-03-08James HeinrichF
Factor: 424920931738083047081 / TF: 68-70
2016-12-07SarnetskyF
Factor: 424920931738083047081 / TF: 68-69*
2016-04-08SarnetskyNF
no factor from 2^67 to 2^68
2016-03-13SarnetskyNF
no factor from 2^66 to 2^67
2014-07-27KoekieNF
no factor from 2^65 to 2^66
2011-11-02Damian SilvestreNF
no factor from 2^64 to 2^65