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
433999193Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5008477738539434365372168.82016-12-15 14:20:00
History
DateUserTypeResult
2016-12-15ConductorF
Factor: 500847773853943436537 / TF: 68-70
2015-12-28sasakiNF
no factor from 2^66 to 2^68
2014-08-15RichardNF
no factor from 2^65 to 2^66