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
312839141Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9713893136827480679932169.72019-03-17 19:56:08
History
DateUserTypeResult
2019-03-17ConductorF
Factor: 971389313682748067993 / TF: 69-70
2018-08-02Chabot PrimeNF
no factor from 2^68 to 2^69
2017-02-12rubikvn2100NF
no factor from 2^67 to 2^68
2016-02-23Grant McCrackenNF
no factor from 2^66 to 2^67
2014-07-25Bullo MarcoNF
no factor from 2^65 to 2^66
2011-10-26albin_pouillesNF
no factor from 2^64 to 2^65