Dictionary

Cunningham chain en · NOUN

Etymology

Named after mathematician A. J. C. Cunningham.

Meanings

1. A certain kind of sequence of prime numbers, with applications in cryptography. ▸ A Cunningham chain of the first kind of length n is a sequence of prime numbers (p₁, ..., pₙ) such that for all 1 ≤ i < n, pᵢ₊₁ = 2pᵢ + 1.
2. A certain kind of sequence of prime numbers, with applications in cryptography. ▸ A Cunningham chain of the second kind of length n is a sequence of prime numbers (p₁,...,pₙ) such that for all 1 ≤ i < n, pᵢ₊₁ = 2pᵢ − 1.

Forms