Riesel primes of the form 145•2ⁿ-1

Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1.

Current data

`k` , `b` :	145 , 2
Count :	19
Nash :	1098
Max `n` :	2,800,000
Date :	2024-11-13
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

5, 13, 15, 31, 77, 151, 181, 245, 445, 447, 883, 1037, 3557, 43733, 290861, 464887, 530181, 972835, 1807767

2024-05-16: Reserved by NPLB K300 Drive 1 for n > 2300000
2022-04-10: Checked to n = 2300000, RPS Megabit Drive 2
2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
2019-08-18: Checked to n = 2200000, RPS Megabit Drive 2
2015-06-19: Reserved by RPS Megabit Drive 2 for n > 2000000
2013-09-11: Checked to n = 2000000, Lennart Vogel, released
2013-09-10: Found n = 1807767, Lennart Vogel
2013-09-08: Reserved by Lennart Vogel
2011-02-01: Checked to n = 1400000, RPS Drive 6, released
2008-11-28: Found n = 972835, Alexandre de Pereyra, RPS Drive 6
2008-06-22: Reserved by RPS Drive 6, for n > 600000
2006-08-13: Checked to n = 600000, RPS Drive 2, released
2006-06-24: Found n = 530181, Thomas Ritschel, RPS Drive 2
2006-05-24: Found n = 464887, Predrag Minovic, RPS Drive 2
2006-04-01: Found n = 290861, Alexandre de Pereyra, RPS Drive 2
2006-03-17: Reserved by RPS Drive 2, for n = 210000 - 600000
2005-01-10: Checked n = 200000 - 210000, Steven Harvey, released
2004-05-26: Reserved by Mark Anderson for n ≤ 200000