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
152975701Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32508771305320220643292271.52017-04-25 01:04:53
History
DateUserTypeResult
2017-04-25Sergey NosovF
Factor: 3250877130532022064329 / TF: 70-72*
2017-04-20kutensNF
no factor from 2^69 to 2^70
2017-02-25scotty24NF
no factor from 2^68 to 2^69
2016-04-26Mr-PlonkNF
no factor from 2^67 to 2^68
2015-04-02tscNF
no factor from 2^66 to 2^67
2013-01-30RichardNF
no factor from 2^65 to 2^66
2011-01-18Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-07-281997rj7NF
no factor from 2^63 to 2^64