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
153566173Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
31928570081151563197032271.42017-07-09 03:05:27
History
DateUserTypeResult
2017-07-09Sergey NosovF
Factor: 3192857008115156319703 / TF: 70-72*
2017-06-05La GüiraNF
no factor from 2^69 to 2^70
2017-02-28Math_is_pureNF
no factor from 2^68 to 2^69
2016-04-27rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-04guruNF
no factor from 2^66 to 2^67
2013-01-27sasaki3NF
no factor from 2^65 to 2^66
2011-01-19Mr-PlonkNF
no factor from 2^64 to 2^65
2010-06-24Torchwood InstituteNF
no factor from 2^63 to 2^64