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

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MnStatusDetails
254003903Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4082420923441640919292168.52016-12-10 18:50:37
History
DateUserTypeResult
2016-12-10ConductorF
Factor: 408242092344164091929 / TF: 68-69
2015-06-19caddrNF
no factor from 2^66 to 2^68
2013-11-10Mr-PlonkNF
no factor from 2^65 to 2^66
2011-07-31tscNF
no factor from 2^64 to 2^65
2010-03-06sasaki3NF
no factor from 2^63 to 2^64
2010-03-06sasaki3NF
no factor from 2^62 to 2^63