Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
PrimeGrid Generalized Cullen Prime Search
Contents
Purpose
The goal of this project is to find Generalized Cullen primes for bases which have no known primes.
Status
The bases currently being searched by the project: 13, 29, 47, 49, 55, 69, 73, 101, 109, 121.
Found primes
- 2019-09-02: 2805222•252805222+1
- 2018-03-11: 1806676•411806676+1
- 2018-01-18: 1323365•1161323365+1
- 2017-08-21: 1341174•531341174+1
- 2016-10-08: 682156•79682156+1
- 2012-01-29: 427194•113427194+1
- 2010-05-25: 129897•68129897+1