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
447812347Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8210073246098457873912169.52019-02-25 18:41:42
History
DateUserTypeResult
2019-02-25ConductorF
Factor: 821007324609845787391 / TF: 69-70
2018-01-25sasakiNF
no factor from 2^68 to 2^69
2016-02-10sasakiNF
no factor from 2^66 to 2^68
2014-09-03ANONYMOUSNF
no factor from 2^65 to 2^66