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
253115183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
44942216130548915940072271.92019-10-19 18:58:26
History
DateUserTypeResult
2019-10-19Smok_bmv F
Factor: 4494221613054891594007 / TF: 71-72*
2019-10-19Smok_bmv NF
no factor from 2^70 to 2^71
2019-04-08sasakiNF
no factor from 2^69 to 2^70
2018-06-06Andrew BNF
no factor from 2^68 to 2^69
2015-05-02caddrNF
no factor from 2^66 to 2^68
2013-11-08tscNF
no factor from 2^65 to 2^66
2011-07-29Andrew BNF
no factor from 2^64 to 2^65
2010-03-05Architects CubedNF
no factor from 2^63 to 2^64
2010-03-05Architects CubedNF
no factor from 2^62 to 2^63