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
475778573Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8788785263689559867112169.62018-06-03 06:42:42
History
DateUserTypeResult
2018-06-03YxinityF
Factor: 878878526368955986711 / TF: 68-70
2018-06-02sasakiNF
no factor from 2^68 to 2^69
2016-06-15sasakiNF
no factor from 2^67 to 2^68
2016-04-09monstNF
no factor from 2^66 to 2^67
2014-10-07IIRyskIINF
no factor from 2^65 to 2^66