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
195174139Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4070486940150551286892168.52016-11-30 19:10:17
History
DateUserTypeResult
2016-11-30Sergey NosovF
Factor: 407048694015055128689 / TF: 68-72*
2016-08-12stebboNF
no factor from 2^67 to 2^68
2015-09-10Team_InspectorNF
no factor from 2^66 to 2^67
2013-06-23GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-04-20Sergej LevinNF
no factor from 2^64 to 2^65
2010-08-31monstNF
no factor from 2^63 to 2^64