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 4137•2n-1
Current data
|
|
Notes
- ↑ Sophie Germain n=1
- ↑ Sophie Germain n=4
- ↑ Twin n=82
- ↑ Sophie Germain n=85
History
- 2020-04-11: Speadsheet included, David Metcalfe
- 2020-03-27: Checked to n = 2050000, David Metcalfe, released
- 2017-03-27: Checked to n = 2000000, David Metcalfe
- 2015-02-06: Found n = 1796226, David Metcalfe
- 2014-11-13: Found n = 1487814, David Metcalfe
- 2014-11-10: Found n = 1484145, David Metcalfe
- 2014-03-14: Found n = 1426269, David Metcalfe
- 2012-09-20: Found n = 1007281, David Metcalfe
- 2011-05-01: Found n = 781781, David Metcalfe
- 2010-10-17: Found n = 666652, David Metcalfe
- 2010?: Reserved by David Metcalfe
- 2009-12-23: Found n = 502026, David Metcalfe