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
661052983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
47170746321174378288072272.02020-02-08 03:13:05
History
DateUserTypeResult
2024-05-28James HeinrichNF
no factor from 2^68 to 2^69
2020-02-08Smok_bmv F
Factor: 4717074632117437828807 / TF: 71-72
2018-12-04Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-10-03srow7NF
no factor from 2^69 to 2^70
2018-02-12ConductorNF
no factor from 2^68 to 2^69
2017-02-01sasakiNF
no factor from 2^67 to 2^68
2014-03-28sasakiNF
no factor from 2^66 to 2^67
2013-12-15sasakiNF
no factor from 2^65 to 2^66
2012-01-25alan145NF
no factor from 2^64 to 2^65
2010-06-17Architects CubedNF
no factor from 2^63 to 2^64