Riesel primes of the form 185•2n-1

Reserved! This sequence is currently part of Multi Reservation 5: CRUS Liskovets-Gallot.

Current data

k , b : 185 , 2 Count : 36 Nash : 2161 Max n : 5,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

2, 6, 10, 18, 26, 40, 46, 78, 230, 542, 1286, 1550, 1728, 2138, 2226, 2686, 3742, 5002, 12730, 42936, 64290, 86602, 86686, 109346, 113966, 133346, 211876, 229850, 238230, 294662, 391322, 459352, 612412, 1234730, 2127966, 2264906

History

• 2022-04-10: Found n = 2264906, Thomas Ritschel, RPS 2nd Megabit Drive
• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2019-04-15: Found n = 2127966, David Metcalfe, RPS 2nd Megabit Drive
• 2011-07-20: Found n = 1234730, David Metcalfe, RPS 2nd Megabit Drive
• 2011-04-28: Reserved by RPS 2nd Megabit Drive for n > 1000000
• 2009-07-30: Reserved by Borys Jaworski from n=1000000
• 2008-10-21: Checked to n = 1000000, David Metcalfe
• 2008-09-11: Reserved by David Metcalfe
• 2008-09-11: Found n = 612412, Carlos Eduardo Pinho
• 2008-09-09: Reserved by NPLB Drive 4
• 2006-05-21: Found n = 459352, Predrag Minovic
• 2006-04-26: Found n = 391322, Predrag Minovic
• 2006-04-03: Found n = 294662, Larry Soule
• 2006-03-21: Found n = 238230, David Metcalfe
• 2006-03-29: Found n = 229850, Alexandre de Pereyra