Riesel primes of the form 603•2n-1

Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

k , b : 603 , 2 Type : 3 Count : 69 Nash : 2540 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 10, 19, 22, 26, 32, 50, 76, 100, 131, 158, 200, 262, 343, 376, 383, 439, 478, 502, 538, 898, 1031, 1360, 1570, 1963, 2006, 2095, 2131, 2816, 3568, 3968, 4856, 5731, 6407, 8935, 11471, 15326, 18556, 20180, 20263, 22720, 31559, 39938, 40382, 41207, 63143, 65318, 91088, 103855, 103882, 106552, 108743, 176780, 180592, 200771, 214006, 257935, 271426, 300866, 325792, 442247, 599288, 695447, 981619, 1074059, 1272322, 1771079, 1802231, 1944086

History

• 2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
• 2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
• 2023-01-10: Found n = 1944086, Max Dettweiler
• 2022-09-06: Found n = 1802231, Gary Barnes
• 2022-07-23: Found n = 1771079, Gary Barnes
• 2013-12-01: Found n = 1272322, Max Dettweiler
• 2012-03-12: Found n = 1074059, Matthew Bower
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2011-01-15: Found n = 981619, Gary Barnes
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
• 2008-12-13: Found n = 599288, Carlos Eduardo Pinho
• 2008-06-22: Found n = 695447, Gary Barnes
• 2008-05-23: Found n = 442247, Glenn C. Kaiser
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-03-12: Found n = 300866, David James
• 2008-03-05: Found n = 271426, James P. Burt
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2005-09-21: Found n = 257935, James S. Griffin
• 2004-12-08: Found n = 214006, Steven Harvey
• 2004-12-07: Found n = 200771, Steven Harvey
• 2004-08-31: Found n = 180592, Steven Harvey
• 2004-08-31: Found n = 176780, Steven Harvey
• 2002-06-26: Found n = 108743, Kimmo Herranen
• 2002-06-26: Found n = 106552, Kimmo Herranen
• 2002-06-26: Found n = 103882, Kimmo Herranen
• 2002-06-26: Found n = 103855, Kimmo Herranen
• 2002-06-26: Found n = 91088, Kimmo Herranen
• 1998-11-10: Found n = 41207, Thomas Nokleby
• 1998-11-10: Found n = 40382, Thomas Nokleby
• 1998-11-10: Found n = 39938, Thomas Nokleby
• 1998-10-24: Found n = 31559, Peter Dodson
• 1998-10-22: Found n = 22720, Peter Dodson
• 1998-10-22: Found n = 20263, Peter Dodson
• 1998-10-22: Found n = 20180, Peter Dodson
• 1998-10-21: Found n = 18556, Peter Dodson