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
616996621Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9092708149308398404972169.62018-06-13 00:58:37
History
DateUserTypeResult
2025-03-08James HeinrichF
Factor: 909270814930839840497 / TF: 69-70
2018-06-13Alex_soldierF
Factor: 909270814930839840497 / TF: 69-70*
2017-03-08sasakiNF
no factor from 2^68 to 2^69
2016-12-31sasakiNF
no factor from 2^67 to 2^68
2014-03-02sasakiNF
no factor from 2^65 to 2^67