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
161540257Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39344758301184817398412271.72018-07-08 04:38:43
History
DateUserTypeResult
2024-07-29Wentao HuangNF
no factor from 2^69 to 2^70
2024-07-29Wentao HuangNF
no factor from 2^68 to 2^69
2018-07-08Smok_bmv F
Factor: 3934475830118481739841 / TF: 71-72
2016-12-20Adam BuranNF
no factor from 2^70 to 2^71
2016-08-06DerekNF
no factor from 2^69 to 2^70
2016-08-06DerekNF
no factor from 2^68 to 2^69
2016-03-23XZTNF
no factor from 2^67 to 2^68
2015-05-15RichardNF
no factor from 2^66 to 2^67
2013-02-27Dalos LeeNF
no factor from 2^65 to 2^66
2011-02-03sasaki3NF
no factor from 2^64 to 2^65
2010-06-30sasaki3NF
no factor from 2^63 to 2^64