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

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MnStatusDetails
190333243Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1447342168707902566572167.02015-08-28 16:55:26
History
DateUserTypeResult
2015-08-28demfloroF
Factor: 144734216870790256657 / TF: 66-68
2013-06-05Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-04-10sasaki3NF
no factor from 2^64 to 2^65
2010-08-02Jud McCranieNF
no factor from 2^63 to 2^64