Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).

Navigation

Topics

Help • Register • News • History • How to • Sequences statistics • Template prototypes

Riesel primes of the form 743•2ⁿ-1

From Prime-Wiki

Jump to: navigation, search

Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

`k` , `b` :	743 , 2
Count :	21
Nash :	1796
Max `n` :	2,200,000
Date :	2024-07-30
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

2, 4, 8, 22, 70, 106, 242, 590, 746, 952, 2162, 7526, 8446, 8918^[1], 26300, 40514, 41258, 100570, 102964, 436732, 1938344

Notes

↑ Woodall 2972•8²⁹⁷²-1

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2023-01-09: Found n = 1938344, Max Dettweiler
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
2008-05-16: Found n = 436732, Bruce E. Slade
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2002-12-24: Found n = 102964, Steven Harvey
2002-12-24: Found n = 100570, Steven Harvey
2000-02-04: Found n = 8918, Joe DeMaio

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_743&oldid=27129"