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 |
Riesel primes of the form 181209•2n-1
Current data
|
|
Notes
- ↑ Twin n=3
- ↑ Twin n=9
- ↑ Sophie Germain n=48
- ↑ Sophie Germain n=7503
History
- 2023-01-21: Checked to n = 50000, Alexander Jones
- 2014-04-07: Found n = 498555, Göran Schmidt, Twin Prime Search