Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
104059001Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16663908789038879931832270.52015-04-15 00:31:35
History
DateUserTypeResult
2015-04-15SMoffatF
Factor: 1666390878903887993183 / TF: 70-71
2014-10-11SMoffatNF
no factor from 2^69 to 2^70
2014-06-12RMAC9.5NF
no factor from 2^68 to 2^69
2014-06-08SMoffatNF
no factor from 2^67 to 2^68
2014-05-14TDH-DXLNF
no factor from 2^66 to 2^67
2012-05-03omiXorpNF
no factor from 2^65 to 2^66
2010-08-25Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-23RichardNF
no factor from 2^63 to 2^64