Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
258000203Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3575225398314291806472168.32016-12-10 13:09:37
History
DateUserTypeResult
2016-12-10ConductorF
Factor: 357522539831429180647 / TF: 68-69
2016-08-16XZTNF
no factor from 2^67 to 2^68
2015-12-17ANONYMOUSNF
no factor from 2^66 to 2^67
2013-11-17tscNF
no factor from 2^65 to 2^66
2011-08-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-03-10sasaki3NF
no factor from 2^63 to 2^64
2010-03-10sasaki3NF
no factor from 2^62 to 2^63