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
192421553Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
739144090532342516812066.02015-09-08 17:06:01
History
DateUserTypeResult
2015-09-08Alex_soldierF
Factor: 73914409053234251681 / TF: 66-67
2013-06-13KayJongsmaNF
no factor from 2^65 to 2^66
2011-04-14vapaddyNF
no factor from 2^64 to 2^65