Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
191719019Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
18412652791931048190012270.62015-09-02 13:55:39
23124613911212496970092271.02015-09-02 13:55:37
History
DateUserTypeResult
2015-09-02demfloroF
Factor: 1841265279193104819001 / TF: 70-71
2015-09-02demfloroF
Factor: 2312461391121249697009 / 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
2013-06-15RichardNF
no factor from 2^65 to 2^66
2011-04-13dslNF
no factor from 2^64 to 2^65
2010-08-04Architects CubedNF
no factor from 2^63 to 2^64