Riesel primes of the form 6549•2n-1

Current data

k , b : 6549 , 2 Type : 3 Count : 41 Nash : 2148 Max n : 430,000 Date : 2022-04-12

3, 5, 9, 15, 23, 33, 59, 81, 105, 119, 263, 335, 501, 861, 911, 1349, 1425, 3843, 4265, 4869, 5076, 6419, 7200, 9981, 11985, 12360, 14661, 17211, 20985, 29421, 34119, 39591, 80196, 145343, 152901, 175523, 240705, 248103, 379739, 401853, 425145

History

• 2022-04-12: Checked n = 200000 - 430000, Alexander Jones, double-check n = 410000 - 430000, released
• 2022-03-09: Reserved by Alexander Jones
• 2022-03-09: Checked n = 1 - 200000, Alexander Jones
• 2010-06-06: Checked n = 410000 - 485000, 490000 - 560000?, Free-DC Drive 2, suspended
• 2009-06-12: Found n = 425145, Brian Lody, Free-DC Drive 2
• 2009-05-28: Reserved by Free-DC Drive 2 from n = 410000
• 2008-01-19: Found n = 5076, Jean Penné, CRUS Liskovets-Gallot
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes