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
470895253Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4006987539519632426172168.42018-05-12 03:28:18
History
DateUserTypeResult
2018-05-12YxinityF
Factor: 400698753951963242617 / TF: 68-70
2016-05-31sasakiNF
no factor from 2^67 to 2^68
2016-03-02ConductorNF
no factor from 2^66 to 2^67
2014-10-13firereddNF
no factor from 2^65 to 2^66