Riesel primes of the form 33•2n-1

Current data

k , b : 33 , 2 Type : 3 Count : 68 Nash : 2675 Max n : 6,000,000 Date : 2024-08-16

2, 3, 6, 8, 10, 22, 35, 42, 43, 46, 56, 91, 102, 106, 142, 190, 208, 266, 330, 360, 382, 462, 503, 815, 1038, 1651, 1855, 1858, 1992, 2232, 4462, 4726, 5475, 6702, 9710, 10931, 11503, 20552, 22291, 26575, 35931, 39271, 51326, 57695, 63115, 67182, 109848, 128635, 136971, 173110, 174182, 373446, 585400, 598248, 674050, 773030, 1115902, 1813526, 2118570, 2212971, 2215291, 2499883, 2513872, 2939063, 3242126, 6019138, 6432160, 6894190

Remarks :

The sequence A002240 in OEIS

History

• 2024-08-16: Reservation dropped, Dmitry Domanov
• 2022-06-04: Found n = 6432160, Ryan Propper
• 2022-05-15: Found n = 6019138, Ryan Propper
• 2021-07-27: Found n = 6894190, Ryan Propper
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2020-03-11: Checked to n = 6000000, Dmitry Domanov
• 2017-04-01: Checked to n = 4180000, Dmitry Domanov
• 2015-05-06: Checked to n = 3800000, Dmitry Domanov
• 2014-12-24: Checked to n = 3700000, Dmitry Domanov
• 2014-09-25: Checked to n = 3370000, Dmitry Domanov
• 2014-07-11: Found n = 3242126, Dmitry Domanov
• 2014-06-30: Checked to n = 3200000, Dmitry Domanov
• 2013-11-30: Checked to n = 3000000, Dmitry Domanov
• 2013-11-02: Found n = 2939063, Dmitry Domanov
• 2013-09-30: Checked to n = 2860000, Dmitry Domanov
• 2013-09-03: Checked to n = 2780000, Dmitry Domanov
• 2013-08-07: Found n = 2513872, Dmitry Domanov
• 2013-07-30: Checked to n = 2500000, Dmitry Domanov
• 2013-07-30: Found n = 2499883, Dmitry Domanov
• 2013-06-29: Found n = 2215291, Dmitry Domanov
• 2013-06-25: Found n = 2212971, Dmitry Domanov
• 2013-06-20: Found n = 2118570, Dmitry Domanov
• 2013-02-01: Checked to n = 2000000, Dmitry Domanov
• 2012-11-07: Reserved by Dmitry Domanov from n=1900000
• 2012-11-06: Checked to n = 1900000, Adam Sutton, released
• 2009-01-10: Checked to n = 1900000, Adam Sutton
• 2008-10-14: Found n = 2118570, Adam Sutton
• 2008-10-14: Found n = 1813526, Adam Sutton
• 2008-03-24: Found n = 1115902, Adam Sutton
• 2008-02-29: Checked to n = 900000, Adam Sutton
• 2008-01-25: Checked to n = 855000, Adam Sutton
• 2007-12-15: Checked to n = 786000, Adam Sutton
• 2007-12-06: Found n = 773030, Adam Sutton
• 2007-11-10: Reserved by Adam Sutton
• 2007-08-11: ?, Carlos Eduardo Pinho, released
• 2007-01-08: Found n = 674050, Larry Soule
• 2006-11-25: Found n = 598248, Larry Soule
• 2006-11-18: Found n = 585400, Larry Soule
• 2004-09-22: Found n = 373446, Jeffrey Sax
• 2004-07-01: Found n = 174182, Steven Harvey
• 2004-06-30: Found n = 173110, Steven Harvey
• 1998-12-16: Found n = 39271, Tadashi Taura
• 1998-08-13: Found n = 26575, Wilfrid Keller
• 1998-08-09: Found n = 22291, Wilfrid Keller
• 1998-08-08: Found n = 20552, Wilfrid Keller
• 1994: Found n = 6702, Harvey Dubner
• 1989: Found n = 67182, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
• 1989: Found n = 9710, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown