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
190631461Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1325803794899963558712166.82015-09-21 19:26:46
History
DateUserTypeResult
2015-09-21Alex_soldierF
Factor: 132580379489996355871 / TF: 66-67*
2013-06-06sasaki3NF
no factor from 2^65 to 2^66
2011-04-10sasaki3NF
no factor from 2^64 to 2^65
2010-08-03Dalos LeeNF
no factor from 2^63 to 2^64