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

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MnStatusDetails
187128913Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
64120816667586770695932272.42019-07-13 17:00:55
History
DateUserTypeResult
2019-07-13ConductorF
Factor: 6412081666758677069593 / TF: 72-73
2019-07-13Damian SilvestreNF
no factor from 2^71 to 2^72
2019-07-12Will EdgingtonNF
no factor from 2^70 to 2^71
2018-11-03tscNF
no factor from 2^69 to 2^70
2017-07-11Eschroep LabsNF
no factor from 2^68 to 2^69
2016-07-24BrionHNF
no factor from 2^67 to 2^68
2015-08-19tscNF
no factor from 2^66 to 2^67
2013-05-28RichardNF
no factor from 2^65 to 2^66
2011-04-06RichardNF
no factor from 2^64 to 2^65
2010-07-30Torchwood InstituteNF
no factor from 2^63 to 2^64