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 1268979•2n-1
Revision as of 21:11, 16 July 2021 by Happy5214 (talk | contribs) (Happy5214 moved page Riesel prime 1268979 to Riesel prime 2 1268979 without leaving a redirect: Base)
Reserved! This sequence is currently part of Multi Reservation 14: Woodall fill-in. |
Current data
|
|
Notes
- ↑ Sophie Germain n=3
- ↑ Sophie Germain n=4
- ↑ Sophie Germain n=19
- ↑ Twin n=43
- ↑ Sophie Germain n=63
- ↑ Twin n=73
- ↑ Twin n=1455
- ↑ Woodall, Woodall 1268979•21268979-1
History
- 2021-06-27: Checked to n = 500000, Alexander Jones
- 2021-05-12: Checked to n = 475000, Alexander Jones
- 2021-04-03: Checked to n = 450000, Alexander Jones
- 2021-01-04: Checked to n = 425000, Alexander Jones
- 2020-11-18: Checked to n = 400000, Alexander Jones
- 2020-10-31: Found n = 387863, Alexander Jones
- 2020-09-19: Checked to n = 375000, Alexander Jones
- 2020-08-09: Checked to n = 350000, Alexander Jones, Predrag Kurtovic
- 2020-07-25: Found n = 332833, Alexander Jones
- 2020-07-14: Checked to n = 300000, Alexander Jones
- 2020-03-17: Checked to n = 250000, Alexander Jones
- 2019-09-17: Checked to n = 50000, Alexander Jones
- 2019-07-24: Reserved by Alexander Jones
- 2007-01-25: Found n = 1268979, Willem Siemelink