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
172500043Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1244434422006164100732166.82015-06-22 18:38:08
History
DateUserTypeResult
2015-06-22Alex_soldierF
Factor: 124443442200616410073 / TF: 66-67
2013-04-05Ed StrakerNF
no factor from 2^65 to 2^66
2011-02-27tscNF
no factor from 2^64 to 2^65
2010-07-12Torchwood InstituteNF
no factor from 2^63 to 2^64