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
447956177Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7539983848157417594872169.42019-03-01 19:19:43
History
DateUserTypeResult
2019-03-01ConductorF
Factor: 753998384815741759487 / TF: 69-70
2018-01-27sasakiNF
no factor from 2^68 to 2^69
2016-02-10sasakiNF
no factor from 2^66 to 2^68
2014-09-04RichardNF
no factor from 2^65 to 2^66