Riesel numbers of the form k•2n-1

Riesel numbers are odd numbers k for which k•2ⁿ-1 is composite for all natural numbers n.

See also

• OEIS sequence A101036: 15,000 "Riesel numbers that have a covering set"

Table

There are 41 sequences in this Wiki:

k	Covering set
509203	[3, 5, 7, 13, 17, 241]
762701	[3, 5, 7, 13, 17, 241]
777149	[3, 5, 7, 13, 19, 37, 73]
790841	[3, 5, 7, 13, 19, 37, 73]
992077	[3, 5, 7, 13, 17, 241]
1106681	[3, 5, 7, 13, 19, 37, 73]
1247173	[3, 5, 7, 13, 17, 241]
1254341	[3, 5, 7, 13, 17, 241]
1330207	[3, 5, 7, 13, 17, 241]
1330319	[3, 5, 7, 13, 17, 241]
1715053	[3, 5, 7, 13, 19, 37, 73]
1730653	[3, 5, 7, 13, 17, 241]
1730681	[3, 5, 7, 13, 17, 241]
1744117	[3, 5, 7, 13, 19, 73, 109]
1830187	[3, 5, 7, 13, 37, 73, 109]
1976473	[3, 5, 7, 13, 17, 241]
2136283	[3, 5, 7, 13, 19, 37, 109]
2251349	[3, 5, 7, 13, 19, 37, 109]
2313487	[3, 5, 7, 13, 17, 241]
2344211	[3, 5, 7, 13, 17, 241]
2554843	[3, 5, 7, 13, 17, 241]
2924861	[3, 5, 7, 13, 19, 37, 109]
3079469	[3, 5, 7, 13, 19, 37, 73]
3177553	[3, 5, 7, 13, 17, 241]
3292241	[3, 5, 7, 13, 17, 241]
3419789	[3, 5, 7, 13, 17, 241]
3423373	[3, 5, 7, 13, 17, 241]
3580901	[3, 5, 7, 13, 19, 37, 73]
3661529	[3, 5, 7, 13, 17, 241]
3661543	[3, 5, 7, 13, 17, 241]
3781541	[3, 5, 7, 13, 19, 37, 109]
3784439	[3, 5, 7, 13, 17, 241]
4384979	[3, 5, 7, 13, 17, 241]
4442323	[3, 5, 7, 13, 17, 241]
4485343	[3, 5, 7, 13, 19, 37, 73]
4506097	[3, 5, 7, 13, 17, 241]
4507889	[3, 5, 7, 13, 17, 241]
4570619	[3, 5, 7, 13, 19, 37, 73]
4626967	[3, 5, 7, 13, 17, 241]
4643293	[3, 5, 7, 13, 37, 73, 109]
4953397	[3, 5, 7, 13, 19, 37, 73]

Riesel primes

Base = 2 :

Miscellaneous

Riesel prime Riesel problem 1 Riesel problem 2 Riesel problem 3 Riesel problem 4 Riesel numbers Least n (k≤12)

Tables

1-300 300-2000 2000-4000 4000-6000 6000-8000 8000-10000 104-105 105-106 106-107 107-108 108-109 109-1010 1010-∞

Categories

1-300 300-2000 2000-4000 4000-6000 6000-8000 8000-10000 104-105 105-106 106-107 107-108 108-109 109-1010 1010-∞

Others

3k 15k 2145k 2805k 0 primes 100+ primes Riesel numbers Missing ranges

Other categories

Missing ranges Low weight No Sophie Germain No twin Count 0 Constant n

Other bases

3 4 5 10 16 128 263 284