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
195175681Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
26881065199581962332312271.22016-11-30 19:10:18
History
DateUserTypeResult
2016-11-30Sergey NosovF
Factor: 2688106519958196233231 / TF: 68-72*
2016-08-12Dave BellNF
no factor from 2^67 to 2^68
2015-09-11Mr-PlonkNF
no factor from 2^66 to 2^67
2013-06-28Mike_SNF
no factor from 2^65 to 2^66
2011-04-20tscNF
no factor from 2^64 to 2^65
2010-08-31monstNF
no factor from 2^63 to 2^64