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
238929913Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
843228767172027701932066.22015-11-30 13:03:00
History
DateUserTypeResult
2015-11-30NickF
Factor: 84322876717202770193 / TF: 66-67
2013-10-18RichardNF
no factor from 2^65 to 2^66
2011-07-08RichardNF
no factor from 2^64 to 2^65