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
248012057Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2288382066794732220012167.62016-10-19 12:06:42
History
DateUserTypeResult
2016-10-19Mikhail E. GolosovF
Factor: 228838206679473222001 / TF: 67-68
2015-12-13el groccoNF
no factor from 2^66 to 2^67
2014-04-30RichardNF
no factor from 2^65 to 2^66
2011-07-22sasaki3NF
no factor from 2^64 to 2^65