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
193989437Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3162797876554457158092168.12015-09-10 08:55:08
History
DateUserTypeResult
2015-09-10demfloroF
Factor: 316279787655445715809 / TF: 68-69
2015-09-10demfloroNF
no factor from 2^66 to 2^68
2013-06-18sasaki3NF
no factor from 2^65 to 2^66
2011-04-18dslNF
no factor from 2^64 to 2^65
2010-08-05ANONYMOUSNF
no factor from 2^63 to 2^64