Riesel primes of the form 157•2ⁿ-1

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

Current data

`k` , `b` :	157 , 2
Type :	Low
Count :	29
Nash :	917
Max `n` :	2,800,000
Date :	2024-11-13
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

1, 5, 33, 97, 121, 125, 305, 445, 473, 513, 1581, 3077, 3517, 6345, 8797, 15265, 16641, 32185, 32581, 43905, 77025, 84377, 202345, 230777, 234401, 473073, 802321, 869073, 1085121

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
2011-06-04: Found n = 1085121, David Metcalfe, RPS Megabit Drive 2
2011-04-28: Reserved by RPS Megabit Drive 2 for n > 1000000
2009-07-30: Reserved by Borys Jaworski from n=1000000
2009-01-11: Checked to n = 1000000, Gary Barnes
2009-01-11: none, Gary Barnes unreserved by Max Dettweiler
2008-05-18: Found n = 869073, Max Dettweiler
2008-05-02: Found n = 802321, Max Dettweiler
2008-03-03: Reserved by Max Dettweiler from n=500000
2006-03-23: Checked to n = 500000, Thomas Ritschel, released
2006-03-15: Found n = 473073, Thomas Ritschel
2006-02-06: Reserved by Thomas Ritschel
2004-06-18: Checked to n = 250000, Thomas Ritschel, released
2004-06-02: Found n = 234401, Thomas Ritschel
2004-06-02: Found n = 230777, Thomas Ritschel
2004-06-01: Found n = 202345, Thomas Ritschel
2004-06-01: Checked to n = 200000, Thomas Ritschel
2004-05-26: Reserved by Thomas Ritschel
2000-01-17: Found n = 43905, Tom Kuechler