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
419002387Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3738353299438011057532168.32016-12-13 19:18:34
History
DateUserTypeResult
2016-12-13ConductorF
Factor: 373835329943801105753 / TF: 68-69
2015-03-21sasakiNF
no factor from 2^66 to 2^68
2014-07-03soldcakeNF
no factor from 2^65 to 2^66