Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
274789841Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2564313648011818752472167.82016-11-01 00:59:50
History
DateUserTypeResult
2016-11-01Mikhail E. GolosovF
Factor: 256431364801181875247 / TF: 67-68
2016-01-10SFPeteNF
no factor from 2^66 to 2^67
2013-12-14Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-09-04Damian SilvestreNF
no factor from 2^64 to 2^65
2010-04-05RichardNF
no factor from 2^63 to 2^64
2010-04-05RichardNF
no factor from 2^62 to 2^63