Riesel primes of the form 521•2n-1

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

Current data

k , b : 521 , 2 Type : Low Count : 17 Nash : 987 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 6, 30, 34, 50, 54, 66, 170, 482, 16710, 32742, 55546, 134322, 192946, 286186, 522422, 759146

History

• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-04-24: Found n = 759146, Gary Barnes
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-08-21: Found n = 522422, James P. Burt
• 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
• 2003-01-26: Found n = 286186, Andrew J. Rupinski
• 2002-03-05: Found n = 192946, Andrew J. Rupinski
• 2002-01-17: Found n = 134322, Andrew J. Rupinski