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

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MnStatusDetails
202273879Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4723522140183486692812168.72015-09-29 10:55:17
History
DateUserTypeResult
2015-09-29demfloroF
Factor: 472352214018348669281 / TF: 68-69
2015-09-29demfloroNF
no factor from 2^66 to 2^68
2012-10-01riccardo ubertiNF
no factor from 2^65 to 2^66
2011-05-02Charles A. MorrisNF
no factor from 2^64 to 2^65