Riesel primes of the form 167•2n-1

Reserved! This sequence is currently reserved by: Michael Curtis

Current data

k , b : 167 , 2 Count : 42 Nash : 2263 Max n : 3,320,000 Date : 2023-07-17 Reserved : Michael CurtisMichael Curtis/Reserved

4, 6, 8, 10, 16, 32, 38, 42, 52, 456, 576, 668, 1082, 1512, 1614, 1922, 2072, 2672, 3210, 3616, 3682, 7754, 7906, 10536, 12282, 12338, 25162, 25460, 49672, 66318, 132738, 133188, 225232, 275680, 314000, 315872, 832962, 885664, 934492, 945934, 1288922, 3077568

History

• 2023-07-17: Checked to n = 3320000, Michael Curtis
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2020-03-13: Checked to n = 3150000, Michael Curtis
• 2019-12-31: Found n = 3077568, Michael Curtis
• 2017-07-03: Checked to n = 2600000, Michael Curtis, n=2800000-3000000 done
• 2016-01-03: Checked to n = 2250000, Michael Curtis
• 2015-04-01: Checked to n = 1770000, Michael Curtis
• 2014-10-05: Checked to n = 1715000, Michael Curtis
• 2014-04-20: Checked to n = 1700000, Michael Curtis
• 2014-03-07: Checked to n = 1620000, Michael Curtis
• 2013-09-04: Checked to n = 1470000, Michael Curtis
• 2013-06-11: Checked to n = 1410000, Michael Curtis
• 2013-04-29: Found n = 1288922, Michael Curtis
• 2012-10-10: Reserved by Michael Curtis
• 2012-10-09: Checked to n = 1100000, Adam Sutton, released
• 2009-06-10: Checked to n = 1100000, Adam Sutton
• 2009-05-19: Checked to n = 985000, Adam Sutton
• 2008-10-08: Found n = 945934, Adam Sutton
• 2008-10-07: Found n = 934492, Adam Sutton
• 2008-08-24: Found n = 885664, Adam Sutton
• 2008-06-19: Found n = 832962, Adam Sutton
• 2008-02-29: Checked to n = 684000, Adam Sutton
• 2007-12-15: Reserved by Adam Sutton
• 2006-08-13: Checked to n = 600000, RPS Drive 2, released
• 2006-04-08: Found n = 315872, David Metcalfe, RPS Drive 2
• 2006-04-07: Found n = 314000, David Metcalfe, RPS Drive 2
• 2006-03-29: Found n = 275680, David Metcalfe, RPS Drive 2
• 2006-03-19: Found n = 225232, Larry Soule, RPS Drive 2
• 2006-03-17: Reserved by RPS Drive 2, for n = 210000 - 600000
• 2005-01-13: Checked to n = 210000, Steven Harvey, released
• 2004-07-19: Checked n = 101052 - 200000, Steven Harvey, released
• 2004-07-08: Reserved by Steven Harvey for n ≤ 200000