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
783598967Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
11993409828100854712012270.02020-06-08 16:24:01
History
DateUserTypeResult
2020-06-08Alexander TsupkoF
Factor: 1199340982810085471201
2016-03-18monstNF
no factor from 2^67 to 2^70
2016-02-06NoPolarBearsHereNF
no factor from 2^66 to 2^67
2014-02-22america64NF
no factor from 2^65 to 2^66
2011-08-15monstNF
no factor from 2^64 to 2^65
2010-04-23Architects CubedNF
no factor from 2^63 to 2^64