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
223763597Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1311422732722023438892166.82015-11-05 07:09:58
History
DateUserTypeResult
2015-11-05NickF
Factor: 131142273272202343889 / TF: 66-67
2013-09-04RichardNF
no factor from 2^65 to 2^66
2011-06-11sasaki3NF
no factor from 2^64 to 2^65