Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
257064833Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39734550207324553134012271.82020-06-25 22:54:46
History
DateUserTypeResult
2020-06-25ZZ_Vitaly_MatinF
Factor: 3973455020732455313401
2020-05-02SRBaseNF
no factor from 2^70 to 2^71
2019-04-25Chabot PrimeNF
no factor from 2^69 to 2^70
2018-06-13Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-05-11XZTNF
no factor from 2^67 to 2^68
2015-12-16vwflat4NF
no factor from 2^66 to 2^67
2013-11-17RichardNF
no factor from 2^65 to 2^66
2011-08-05sasaki3NF
no factor from 2^64 to 2^65
2010-03-09carlos56NF
no factor from 2^63 to 2^64
2010-03-09carlos56NF
no factor from 2^62 to 2^63