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
245260441Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2203317017918788817272167.62016-10-14 00:51:03
History
DateUserTypeResult
2016-10-14volovikF
Factor: 220331701791878881727 / TF: 67-68
2015-12-09subgeniusNF
no factor from 2^66 to 2^67
2013-10-25Andrew BNF
no factor from 2^65 to 2^66
2011-07-18EPFNF
no factor from 2^64 to 2^65