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
153694561Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18737678196088580573272270.72017-07-13 21:45:17
History
DateUserTypeResult
2017-07-13Sergey NosovF
Factor: 1873767819608858057327 / TF: 70-72*
2017-06-13La GüiraNF
no factor from 2^69 to 2^70
2017-02-27rubikvn2100NF
no factor from 2^68 to 2^69
2016-04-28rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-04sasaki3NF
no factor from 2^66 to 2^67
2013-02-14Team_InspectorNF
no factor from 2^65 to 2^66
2011-01-19SaraNF
no factor from 2^64 to 2^65
2010-06-27RichardNF
no factor from 2^63 to 2^64