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

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MnStatusDetails
277297459Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8550834481790903457532169.52019-08-04 09:14:39
History
DateUserTypeResult
2019-08-04ConductorF
Factor: 855083448179090345753 / TF: 69-70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-06BrandonNF
no factor from 2^67 to 2^68
2016-02-21proxy2222NF
no factor from 2^66 to 2^67
2013-12-07haphaeuNF
no factor from 2^65 to 2^66
2011-09-09RichardNF
no factor from 2^64 to 2^65
2010-04-04-Anonymous-NF
no factor from 2^63 to 2^64
2010-04-04-Anonymous-NF
no factor from 2^62 to 2^63