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
208530703Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2305461935519661468792167.62015-10-11 17:55:12
History
DateUserTypeResult
2015-10-11demfloroF
Factor: 230546193551966146879 / TF: 66-68
2013-08-06Grant McCrackenNF
no factor from 2^65 to 2^66
2011-05-30Team_BunduNF
no factor from 2^64 to 2^65