Riesel primes of the form 341•2ⁿ-1

Reserved! This sequence is currently part of Multi Reservation 26: NPLB Drive 19.

Current data

`k` , `b` :	341 , 2
Type :	Low
Count :	18
Nash :	972
Max `n` :	3,000,000
Date :	2023-03-07
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

10, 14, 18, 38, 118, 130, 306, 314, 1102, 3882, 4362, 4642, 72814, 86418, 312138, 1129218, 1484130, 3036506

2023-11-11: Found n = 3036506, Max Dettweiler
2023-03-07: Reserved by NPLB Drive 19, for 3000000<n<4000000
2022-06-03: Checked to n = 3000000, NPLB Drive 15, released
2014-12-29: Reserved by NPLB Drive 15, for n=2000000-3000000
2014-08-20: Checked to n = 2000000, NPLB Mini Drive 5, released
2014-08-19: Reserved by NPLB Mini Drive 5, for 1300000<n<2000000
2014-01-15: Found n = 1484130, Ian M. Gunn
2013-08-17: Reserved by NPLB Mini Drive 5 from n=1300000 (Port 7000)
2013-02-25: Checked to n = 1300000, Karsten Bonath, released
2013-01-14: Found n = 1129218, Karsten Bonath
2012-11-19: Reserved by Karsten Bonath, for 1000000<n<1300000
2009-02-05: Checked n = 891700-1000000, Ian M. Gunn, released
2009-01-03: ?, Carlos Eduardo Pinho, released
2008-12-30: Checked to n = 855000, Carlos Eduardo Pinho
2008-12-28: Checked to n = 800000, Carlos Eduardo Pinho, results not available anymore
2008-12-26: Checked to n = 770000, Carlos Eduardo Pinho
2008-12-23: Checked to n = 700000, Carlos Eduardo Pinho, Port C6000?
2008-12-12: Reserved by Carlos Eduardo Pinho, for 600000<n<1000000, Port C443
2008-11-10: Checked to n = 600000, NPLB Drive 3, released
2008-03-06: 312138 confirmed, James P. Burt
2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
2004-11-09: Found n = 312138, David Broadhurst