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
312738983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
11542351997731253405292270.02019-03-09 16:40:23
History
DateUserTypeResult
2019-03-09ConductorF
Factor: 1154235199773125340529 / TF: 69-70
2018-08-02Chabot PrimeNF
no factor from 2^68 to 2^69
2016-12-14johnsilverNF
no factor from 2^67 to 2^68
2016-02-23OS1NF
no factor from 2^66 to 2^67
2014-01-21RichardNF
no factor from 2^65 to 2^66
2011-10-27RichardNF
no factor from 2^64 to 2^65