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
192315119Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21959320404303706785672270.92015-09-02 19:55:24
History
DateUserTypeResult
2015-09-02demfloroF
Factor: 2195932040430370678567 / TF: 70-71
2015-09-02demfloroNF
no factor from 2^69 to 2^70
2015-09-02demfloroNF
no factor from 2^68 to 2^69
2015-09-02demfloroNF
no factor from 2^66 to 2^68
2013-06-12sasaki3NF
no factor from 2^65 to 2^66
2011-04-14vapaddyNF
no factor from 2^64 to 2^65