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
226192601Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
777185307255051766972066.12015-11-11 05:10:31
History
DateUserTypeResult
2015-11-11NickF
Factor: 77718530725505176697 / TF: 66-67
2013-09-09subgeniusNF
no factor from 2^65 to 2^66
2011-06-15c10ck3rNF
no factor from 2^64 to 2^65