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Riesel numbers of the form k•4n-1

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Riesel numbers base 4 are numbers where k !≡ 0 mod 4 for which k•4n-1 is composite for all natural numbers n and has a finite covering set of two or more distinct factors.

See also

Table

There are 3 sequences in this Wiki:

k Covering set
39939 [5, 7, 13, 19, 73, 109]
56169 [5, 7, 13, 17, 241]
345354 [5, 7, 13, 17, 241]
Riesel primes