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
176708771Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1272840410553386887692166.82015-07-09 20:16:42
History
DateUserTypeResult
2015-07-09Alex_soldierF
Factor: 127284041055338688769 / TF: 66-67
2013-04-19Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-03-10sasaki3NF
no factor from 2^64 to 2^65
2010-07-18sasaki3NF
no factor from 2^63 to 2^64