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

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MnStatusDetails
277228597Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9947384369623614168892169.82019-07-17 17:57:19
History
DateUserTypeResult
2019-07-17ConductorF
Factor: 994738436962361416889 / TF: 69-70
2018-07-08tmorrowNF
no factor from 2^68 to 2^69
2016-11-05ANONYMOUSNF
no factor from 2^67 to 2^68
2016-01-30PALKOTAMASNF
no factor from 2^66 to 2^67
2013-12-07haphaeuNF
no factor from 2^65 to 2^66
2011-09-08sasaki3NF
no factor from 2^64 to 2^65
2010-04-03Architects CubedNF
no factor from 2^63 to 2^64
2010-04-03Architects CubedNF
no factor from 2^62 to 2^63