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
187656377Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1295036690070307300812166.82015-08-20 12:39:34
History
DateUserTypeResult
2015-08-20Alex_soldierF
Factor: 129503669007030730081 / TF: 66-67*
2013-05-26HBendtzNF
no factor from 2^65 to 2^66
2011-04-05sasaki3NF
no factor from 2^64 to 2^65
2010-07-31sasaki3NF
no factor from 2^63 to 2^64