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
262143139Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1244873747411198449192166.82015-12-20 17:39:24
History
DateUserTypeResult
2015-12-20ConductorF
Factor: 124487374741119844919 / TF: 66-67
2013-11-26Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-08-14tscNF
no factor from 2^64 to 2^65
2010-03-16carlos56NF
no factor from 2^63 to 2^64
2010-03-16carlos56NF
no factor from 2^62 to 2^63