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

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MnStatusDetails
281116067Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2123290231572812438472167.52016-11-11 20:11:18
History
DateUserTypeResult
2016-11-11Mikhail E. GolosovF
Factor: 212329023157281243847 / TF: 67-68
2016-01-20mikeblasNF
no factor from 2^66 to 2^67
2013-12-11HardyP GermanyNF
no factor from 2^65 to 2^66
2011-09-16RichardNF
no factor from 2^64 to 2^65
2010-04-12RichardNF
no factor from 2^63 to 2^64
2010-04-12RichardNF
no factor from 2^62 to 2^63