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
157308419Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
44022665706828971668972271.92016-11-16 20:10:35
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^68 to 2^69
2016-11-16ConductorF
Factor: 4402266570682897166897 / TF: 71-72
2016-08-23neocppNF
no factor from 2^70 to 2^71
2016-08-11neocppNF
no factor from 2^69 to 2^70
2016-07-27Josh FamestadNF
no factor from 2^68 to 2^69
2016-05-09Dave BellNF
no factor from 2^67 to 2^68
2015-06-18MucolNF
no factor from 2^66 to 2^67
2013-02-10MucolNF
no factor from 2^65 to 2^66
2011-01-27runeskNF
no factor from 2^64 to 2^65
2010-06-27Charles A. MorrisNF
no factor from 2^63 to 2^64