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
307999579Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4484753762005340148472168.62017-07-15 20:36:07
History
DateUserTypeResult
2017-07-15ConductorF
Factor: 448475376200534014847 / TF: 68-69
2016-12-08Andrew BNF
no factor from 2^67 to 2^68
2016-02-17YxinityNF
no factor from 2^66 to 2^67
2014-07-20tscNF
no factor from 2^65 to 2^66
2011-10-21RichardNF
no factor from 2^64 to 2^65