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
207355793Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
884333152485343538472066.32015-10-22 14:37:25
History
DateUserTypeResult
2015-10-22ConductorF
Factor: 88433315248534353847 / TF: 66-67
2013-08-03subgeniusNF
no factor from 2^65 to 2^66
2011-05-11vapaddyNF
no factor from 2^64 to 2^65