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
904003207Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12515184228997840312632270.12019-03-20 06:04:16
History
DateUserTypeResult
2019-03-20ConductorF
Factor: 1251518422899784031263 / TF: 70-71
2017-01-25Smok_bmv NF
no factor from 2^68 to 2^70
2016-06-15ConductorNF
no factor from 2^67 to 2^68
2015-02-02Gordon SpenceNF
no factor from 2^66 to 2^67
2011-11-25lindedNF
no factor from 2^65 to 2^66
2011-09-03lindeeNF
no factor from 2^64 to 2^65
2010-07-24lindeeNF
no factor from 2^63 to 2^64