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
194348221Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
934438708269217666092066.32015-09-17 11:01:21
History
DateUserTypeResult
2015-09-17NickF
Factor: 93443870826921766609 / TF: 66-67
2013-06-24RichardNF
no factor from 2^65 to 2^66
2011-04-18sasaki3NF
no factor from 2^64 to 2^65
2010-08-05Mark GrantNF
no factor from 2^63 to 2^64