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
155047589Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
11845193337377275075032270.02017-09-28 00:29:04
History
DateUserTypeResult
2017-09-28Sergey NosovF
Factor: 1184519333737727507503 / TF: 70-72*
2017-07-31EratosthenesNF
no factor from 2^69 to 2^70
2017-03-03XolotlNF
no factor from 2^68 to 2^69
2016-05-03sasakiNF
no factor from 2^67 to 2^68
2015-04-09guruNF
no factor from 2^66 to 2^67
2013-02-06RichardNF
no factor from 2^65 to 2^66
2011-01-22runeskNF
no factor from 2^64 to 2^65
2010-06-26sannerud.comNF
no factor from 2^63 to 2^64