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
246458687Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
810394393389510575292066.12015-12-11 08:56:10
History
DateUserTypeResult
2015-12-11ConductorF
Factor: 81039439338951057529 / TF: 66-67
2014-01-04sasakiNF
no factor from 2^65 to 2^66
2011-07-19tscNF
no factor from 2^64 to 2^65