Riesel primes of the form 845•2n-1

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

Current data

k , b : 845 , 2 Count : 26 Nash : 1442 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

8, 40, 90, 170, 230, 300, 800, 1328, 1916, 2468, 4076, 5000, 5450, 8310, 17048, 18600, 30670, 32880, 33108, 46538, 66928, 106710, 332076, 633390, 637848, 991358

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
• 2011-06-30: Found n = 991358, Lennart Vogel
• 2009-02-21: Found n = 637848, Ian M. Gunn
• 2009-02-14: Found n = 633390, Ian M. Gunn
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
• 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
• 2002-11-13: Found n = 106710, Steven Harvey