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 727•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` :	727 , 2
Count :	28
Nash :	1361
Max `n` :	2,170,000
Date :	2024-04-02
Reserved :	No Prime Left BehindNo Prime Left Behind/Reserved

1, 9, 13, 21, 29, 101, 125, 153, 209, 445, 525, 613, 741, 1645, 10173, 12817, 13629, 59361, 74769, 87501, 121241, 172397, 221325, 369081, 658245, 1018709, 1031225, 1958505

History

2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
2023-01-14: Found n = 1958505, Max Dettweiler
2012-02-22: Found n = 1031225, Lennart Vogel
2012-02-20: Found n = 1018709, Lennart Vogel
2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
2009-05-08: Found n = 658245, Gary Barnes
2008-12-22: Checked to n = 600000, NPLB Drive 1, released
2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
2008-03-25: Checked to n = 333200, NPLB Drive 2, released
2008-03-01: Found n = 369081, Gary Barnes
2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
2004-12-29: Found n = 221325, Jay Berg
2004-09-13: Found n = 172397, Steven Harvey
2003-08-26: Found n = 121241, Steven Harvey

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_727&oldid=27121"