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

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MnStatusDetails
278276069Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1736083582964727801372167.22016-11-07 11:36:29
History
DateUserTypeResult
2016-11-07Mikhail E. GolosovF
Factor: 173608358296472780137 / TF: 67-68
2016-01-17Grant McCrackenNF
no factor from 2^66 to 2^67
2013-12-09MucolNF
no factor from 2^65 to 2^66
2011-09-10WizzardNF
no factor from 2^64 to 2^65
2010-04-05lindedNF
no factor from 2^63 to 2^64
2010-04-05lindedNF
no factor from 2^62 to 2^63