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
247562017Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1705185592298023453912167.22016-10-21 08:57:05
History
DateUserTypeResult
2016-10-21NickF
Factor: 170518559229802345391 / TF: 67-68
2015-12-12el groccoNF
no factor from 2^66 to 2^67
2013-10-30AJNF
no factor from 2^65 to 2^66
2011-07-21sasaki3NF
no factor from 2^64 to 2^65