Riesel primes of the form 483•2n-1

Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

k , b : 483 , 2 Type : 3 Count : 66 Nash : 3844 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 3, 4, 6, 10, 18, 22, 27, 32, 38, 50, 54, 64, 76, 104, 110, 116, 126, 127, 146, 176, 186, 208, 262, 300, 318, 319, 330, 342, 376, 379, 414, 532, 578, 764, 1166, 1683, 1892, 2606, 2848, 3092, 3400, 4602, 5164, 10926, 15212, 29666, 35058, 35466, 40166, 82612, 146311, 156780, 160768, 190160, 255344, 274863, 279304, 296251, 403772, 703479, 834386, 1643412, 1749283, 2136414, 2478266

History

• 2023-07-03: Found n = 2478266, Florian Piesker
• 2022-11-03: Found n = 2136414, Florian Piesker
• 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
• 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
• 2022-04-08: Found n = 1749283, Florian Piesker
• 2021-10-28: Found n = 1643412, William Byerly
• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-06-21: Found n = 834386, Vaughan Davies
• 2009-07-16: 703479 confirmed, Karsten Bonath
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-03-25: Checked to n = 333200, NPLB Drive 2
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2006-08-25: Found n = 703479, Peter Benson
• 2006-08-02: Found n = 403772, Peter Benson
• 2006-07-27: Found n = 296251, Peter Benson
• 2006-07-27: Found n = 279304, Peter Benson
• 2006-07-26: Found n = 274863, Peter Benson
• 2005-04-17: Found n = 255344, Valerie Vonck
• 2004-11-09: Found n = 190160, Steven Harvey
• 2001-12-14: Found n = 82612, Kimmo Herranen