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
247392247Factored
FactorDigitsBitsDate
2296626325585794707272167.62016-10-18 04:54:38
History
DateUserTypeResult
2016-10-18Mikhail E. GolosovF
Factor: 229662632558579470727 / TF: 67-68
2015-12-12el groccoNF
no factor from 2^66 to 2^67
2013-11-02RichardNF
no factor from 2^65 to 2^66
2011-07-21OS1NF
no factor from 2^64 to 2^65