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
700444477Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19998006545333609860012270.82019-10-20 17:44:17
History
DateUserTypeResult
2019-10-20ConductorF
Factor: 1999800654533360986001 / TF: 70-71
2011-10-24monstNF
no factor from 2^66 to 2^70
2011-10-14monstNF
no factor from 2^65 to 2^66
2010-04-01monstNF
no factor from 2^64 to 2^65
2010-04-01monstNF
no factor from 2^63 to 2^64