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

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MnStatusDetails
228454957Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1489703296544547745912167.02016-11-16 01:47:17
History
DateUserTypeResult
2016-11-16Mikhail E. GolosovF
Factor: 148970329654454774591 / TF: 67-68
2015-11-11Math_is_pureNF
no factor from 2^66 to 2^67
2013-09-16ANONYMOUSNF
no factor from 2^65 to 2^66
2011-06-20RichardNF
no factor from 2^64 to 2^65