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 |
Near Generalized Woodall primes of the form (n-1)•2n-1
Current data
|
|
Remarks : |
See additional history at Near-Cullen & Near-Woodall primes. |
Notes
- ↑ Twin n=2
- ↑ Mersenne 27-1, Near Woodall 2•43-1
- ↑ Riesel 5•212-1, Near Woodall 5•46-1
- ↑ Riesel 17•236-1, Near Woodall 17•418-1
- ↑ Riesel 117•2236-1, Near Woodall 117•4118-1
- ↑ Riesel 81•2327-1, Near Woodall 162•4163-1
- ↑ Riesel 275•2552-1, Near Woodall 275•4276-1
- ↑ Riesel 1759•27039-1, Near Woodall 3518•43519-1
- ↑ Riesel 3399•213599-1, Near Woodall 6798•46799-1
- ↑ Riesel 10673•221348-1, Near Woodall 10673•410674-1
- ↑ Riesel 41197•2659157-1, Near Woodall 329576•4329577-1
- ↑ Riesel 197673•2790695-1, Near Woodall 395346•4395347-1
- ↑ Riesel 582833•21165668-1, Near Woodall 582833•4582834-1
- ↑ Riesel 586085•21172172-1, Near Woodall 586085•4586086-1
- ↑ Riesel 454483•21817935-1, Near Woodall 908966•4908967-1
History
- 2014-11-12: Checked n = 1896000 - 2000000, Steven Harvey
- 2014-10-27: Checked n = 1866000 - 1896000, Steven Harvey
- 2014-10-10: Checked n = 1747000 - 1866000, Steven Harvey
- 2014-08-15: Checked n = 1720000 - 1747000, Steven Harvey
- 2014-07-29: Found n = 1817933, Steven Harvey
- 2014-07-29: Checked n = 1678000 - 1720000, Steven Harvey
- 2014-07-10: Checked n = 1630000 - 1678000, Steven Harvey
- 2014-06-03: Checked n = 1100000 - 1630000, Steven Harvey
- 2012-11-14: Found n = 1165667, Steven Harvey
- 2012-10-03: Found n = 1172171, Steven Harvey
- 2012-06-01: Checked to n = 1100000, Steven Harvey
- 2010-11-17: Found n = 790693, Steven Harvey
- 2010-02-09: Found n = 665128, Steven Harvey
- 2010-02-01: Found n = 659153, Steven Harvey
- 2008-09-25: Found n = 446694, Steven Harvey
- 2002-06-27: Found n = 118020, Steven Harvey
- 1998-07-03: Found n = 21347, Henri Lifchitz
- ?: Found n = 13597, Mike Oakes
- ?: Found n = 10020, Mike Oakes