Riesel prime

Although there's no official definition of a Riesel prime mostly all primes of the form k•2ⁿ-1 with 2ⁿ > k are called like this on many pages.

Different from this definition all values n ≥ 1 are listed in Prime-Wiki.

See also

• Riesel problem
• Riesel and Proth Prime Database
• Table with all available k-values
• Table with all k < 300

External links

• Riesel number
• Proth Search page

Number classes

General numbers

Integer Natural Even Odd Rational Irrational Real Prime Probable prime

Special numbers

Mersenne 2n-1 Fermat 22n+1 Proth k•2n+1 Riesel k•2n-1 Woodall n•2n-1 Cullen n•2n+1 Double Mersenne 22p-1-1 Perfect 2n-1(2n-1) Leyland xy ± yx Gen.Repunit (b^n-1)/(b-1)

Prime numbers

Mersenne Proth Riesel Williams (b±1)bn±1 Carol/Kynea (bn±1)2-2 Multifactorial n!j±1