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 27783•2n-1
Current data
|
|
Notes
- ↑ Twin n=4
- ↑ Twin n=10
- ↑ Sophie Germain n=50
- ↑ Sophie Germain n=134
History
- 2020-08-13: Checked to n = 50000, Karsten Bonath
- 2010-09-30: Found n = 484996, (Oddball), Twin Prime Search 480000