Riesel primes of the form 803•2n-1

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

Current data

k , b : 803 , 2 Count : 23 Nash : 1609 Max n : 2,170,000 Date : 2024-04-02 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

12, 16, 48, 68, 84, 114, 152, 156, 178, 448, 562, 1540, 1692, 5266, 7170, 15114, 23824, 29044, 46868, 104344, 141508, 497908, 761362

History

• 2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
• 2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
• 2010-04-21: Found n = 761362, Karsten Bonath
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
• 2008-07-09: Found n = 497908, Gary Barnes
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2002-12-27: Found n = 104344, Steven Harvey