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

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MnStatusDetails
152974531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
33950976556263679142172271.52017-04-25 01:04:52
History
DateUserTypeResult
2017-04-25Sergey NosovF
Factor: 3395097655626367914217 / TF: 70-72*
2017-04-20XolotlNF
no factor from 2^69 to 2^70
2017-02-25XolotlNF
no factor from 2^68 to 2^69
2016-04-25SummyNF
no factor from 2^67 to 2^68
2015-04-02vwflat4NF
no factor from 2^66 to 2^67
2013-01-26MPNSNF
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