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
619391561Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2305696594154866873672167.62016-09-26 06:16:41
History
DateUserTypeResult
2016-09-26NipalF
Factor: 230569659415486687367 / TF: 67-70
2014-03-10sasakiNF
no factor from 2^65 to 2^67