Riesel primes of the form 16887•2n-1

Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 16887 , 2 Type : 3 Count : 87 Nash : 4520 Max n : 375,000 Date : 2021-06-01 Reserved : Alexander JonesAlexander Jones/Reserved

1, 2, 4, 5, 6, 8, 12, 17, 20, 26, 45, 48, 52, 65, 78, 96, 105, 128, 137, 152, 162, 165, 166, 172, 181, 190, 206, 222, 398, 436, 441, 448, 478, 521, 592, 618, 1178, 1245, 1678, 1857, 2558, 2600, 2836, 3260, 3482, 3534, 3578, 3600, 5140, 5214, 5561, 5644, 6048, 6661, 6842, 7253, 7521, 7560, 10721, 12560, 13313, 15092, 19596, 22510, 23926, 24230, 28486, 28528, 34404, 37142, 65222, 74076, 90793, 118536, 188562, 196184, 200654, 213017, 264401, 321085, 581360, 602538, 666018, 718650, 722078, 945468, 978362

History

• 2021-06-01: Checked to n = 375000, Alexander Jones
• 2021-01-13: Checked to n = 350000, Alexander Jones
• 2020-10-01: Checked to n = 325000, Alexander Jones
• 2020-06-17: Checked to n = 300000, Alexander Jones
• 2020-03-17: Reserved by Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2011-10-03: Checked n = 400000  -  1000000, Riesel Prime Search
• 2011-07-12: Found n = 978362, Peter Benson
• 2011-04-09: Found n = 945468, Peter Benson
• 2010-08-21: Found n = 722078, Peter Benson
• 2010-08-17: Found n = 718650, David Metcalfe
• 2010-06-27: Found n = 666018, Peter Benson
• 2010-01-15: Found n = 602538, David Metcalfe
• 2009-12-12: Found n = 581360, David Metcalfe
• 2009-05-12: Reserved by RPS Drive 9