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
800052977Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12604998068175864814312270.12019-11-01 21:13:54
History
DateUserTypeResult
2019-11-01ConductorF
Factor: 1260499806817586481431 / TF: 70-71
2016-08-09ramgeisNF
no factor from 2^68 to 2^70
2014-05-05Gordon SpenceNF
no factor from 2^66 to 2^68
2013-10-17america64NF
no factor from 2^65 to 2^66
2010-09-25Architects CubedNF
no factor from 2^64 to 2^65