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
281667241Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2346707490893656211692167.72016-11-13 09:03:04
History
DateUserTypeResult
2016-11-13Mikhail E. GolosovF
Factor: 234670749089365621169 / TF: 67-68
2016-01-20James HintzNF
no factor from 2^66 to 2^67
2013-12-12tscNF
no factor from 2^65 to 2^66
2011-09-16Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-08sasaki3NF
no factor from 2^63 to 2^64
2010-04-08sasaki3NF
no factor from 2^62 to 2^63