Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
259908889Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
426447667200150351207592375.22020-11-17 21:16:24
History
DateUserTypeResult
2020-11-17Ruslan BorisovF
Factor: 42644766720015035120759 / TF: 75-76
2020-11-17Ruslan BorisovNF
no factor from 2^74 to 2^75
2020-11-17Ruslan BorisovNF
no factor from 2^73 to 2^74
2020-11-17Ruslan BorisovNF
no factor from 2^72 to 2^73
2020-07-04SRBaseNF
no factor from 2^71 to 2^72
2020-05-03SRBaseNF
no factor from 2^70 to 2^71
2019-05-07Chabot PrimeNF
no factor from 2^69 to 2^70
2018-06-19Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-08-05XZTNF
no factor from 2^67 to 2^68
2015-12-24Gideon FNF
no factor from 2^66 to 2^67
2014-05-20OS1NF
no factor from 2^65 to 2^66
2011-08-12RichardNF
no factor from 2^64 to 2^65
2010-03-13greg3llNF
no factor from 2^63 to 2^64
2010-03-13greg3llNF
no factor from 2^62 to 2^63