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
447591031Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6015553581592822878412169.02019-02-15 13:42:43
History
DateUserTypeResult
2019-02-15ConductorF
Factor: 601555358159282287841 / TF: 69-70
2018-01-31sasakiNF
no factor from 2^68 to 2^69
2016-01-29sasakiNF
no factor from 2^66 to 2^68
2014-09-03RichardNF
no factor from 2^65 to 2^66