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
571334683Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42879969851779133879512271.92020-02-11 03:16:26
History
DateUserTypeResult
2025-04-02James HeinrichF
Factor: 4287996985177913387951 / TF: 71-72
2020-02-11Smok_bmv F
Factor: 4287996985177913387951 / TF: 71-72*
2020-01-28sasakiNF
no factor from 2^70 to 2^71
2018-10-13Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-04-27srow7NF
no factor from 2^68 to 2^69
2016-11-21sasakiNF
no factor from 2^67 to 2^68
2015-10-24sasakiNF
no factor from 2^66 to 2^67
2014-10-16sasakiNF
no factor from 2^65 to 2^66
2012-01-07CorbyguyNF
no factor from 2^64 to 2^65