Riesel primes of the form 102765•2n-1

Current data

k , b : 102765 , 2 Type : 315 Count : 93 Nash : 4842 Max n : 433,000 Date : 2010-03-09

1, 5, 7, 10, 18, 20, 21, 23, 26, 35, 39, 40, 41, 46, 48, 51, 57, 63, 69, 83, 87, 97, 105, 106, 120, 123, 144, 156, 208, 225, 303, 461, 579, 580, 656, 743, 758, 791, 815, 861, 886, 910, 926, 955, 1126, 1140, 1415, 1696, 2113, 2280, 2753, 2910, 3538, 3796, 4068, 4150, 4211, 4514, 6280, 6921, 7723, 9116, 9374, 11518, 12348, 12798, 14816, 18635, 18894, 21249, 21279, 22687, 29528, 35825, 38608, 39353, 40978, 50070, 66175, 68980, 85560, 91937, 142370, 148341, 150770, 182010, 188795, 333354, 387776, 483523, 503386, 623247, 717571

History

• 2010-03-09: Found n = 717571, Ian M. Gunn
• 2009-09-28: Found n = 623247, Ian M. Gunn
• 2009-05-31: Found n = 503386, Ian M. Gunn
• 2009-05-13: Found n = 483523, Ian M. Gunn
• 2009-04-10: Checked n = 400000 - 433000, Ian M. Gunn
• 2009-02-19: Reserved by Ian M. Gunn to n = 1000000
• 2008-05-24: Checked n = 250000 - 400000, Gary Barnes, released
• 2008-01-31: Checked n = 278200 - 290000, 377500 - 389000, Gary Barnes
• 2008-01-28: Found n = 387776, Gary Barnes
• 2007-12-27: Checked n = 266300 - 278200, 368400 - 377500, Gary Barnes
• 2007-12-01: Checked n = 250900 - 266300, 328000 - 333335, 356900 - 368400, Gary Barnes
• 2007-10-28: Checked n = 250000 - 250900, 347000 - 356900, Gary Barnes
• 2007-09-30: Checked n = 336000 - 347000, Gary Barnes
• 2007-08-30: Checked n = 333335 - 336000, Gary Barnes
• 2007-08-22: Found n = 333354, Gary Barnes
• 2007-08-01: Checked n = 220000 - 250000, Gary Barnes
• 2007-07-28: Checked n = 200000 - 220000, Gary Barnes
• 2007-06-04: Checked n = 175000 - 200000, Gary Barnes
• 2007-05-22: Checked n = 150000 - 175000, Gary Barnes
• 2007-05-17: Checked n = 100000 - 150000, Gary Barnes
• 2007-05-13: Checked n = 1 - 100000, Gary Barnes
• 2007-05-10: Reserved by Gary Barnes