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

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MnStatusDetails
249352931Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2141456833735415434732167.52016-10-22 05:42:54
History
DateUserTypeResult
2016-10-22Mikhail E. GolosovF
Factor: 214145683373541543473 / TF: 67-68
2015-12-14mikeblasNF
no factor from 2^66 to 2^67
2013-11-01Lukin DmitryNF
no factor from 2^65 to 2^66
2011-07-24ALSNF
no factor from 2^64 to 2^65