Riesel primes of the form 451•2n-1

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

Current data

k , b : 451 , 2 Count : 35 Nash : 2005 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

3, 5, 7, 15, 37, 79, 343, 379, 543, 957, 995, 1149, 1165, 2183, 8469, 9469, 12335, 15359, 18799, 24259, 47325, 48975, 50043, 56723, 80907, 100229, 105191, 172261, 178423, 419059, 501525, 740357, 867501, 1096999, 1897621

History

• 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
• 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
• 2022-06-11: Found n = 1897621, Florian Piesker
• 2012-01-13: Found n = 1096999, Vaughan Davies
• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-08-16: Found n = 867501, Johnathan Chu
• 2009-11-28: Found n = 740357, Bruce E. Slade
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-07-13: Found n = 501525, Gary Barnes
• 2008-04-23: Found n = 419059, Adam Sutton
• 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
• 2004-08-13: Found n = 178423, Steven Harvey
• 2004-07-23: Found n = 172261, Steven Harvey
• 2002-11-15: Found n = 105191, Steven Harvey
• 2002-11-15: Found n = 100229, Steven Harvey