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
247023391Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2053529959063616891292167.52016-10-21 11:27:54
History
DateUserTypeResult
2016-10-21Alex_soldierF
Factor: 205352995906361689129 / TF: 67-68
2015-12-12ANONYMOUSNF
no factor from 2^66 to 2^67
2013-10-28Mr-PlonkNF
no factor from 2^65 to 2^66
2011-07-25impsNF
no factor from 2^64 to 2^65