MathDB
P(m^n)+Q([0,k]) is composite for infinitely many k

Source: Bulgaria 1974 P2

June 20, 2021
Polynomialsnumber theory

Problem Statement

Let f(x)f(x) and g(x)g(x) be non-constant polynomials with integer positive coefficients, mm and nn are given natural numbers. Prove that there exists infinitely many natural numbers kk for which the numbers f(mn)+g(0),f(mn)+g(1),,f(mn)+g(k)f(m^n)+g(0),f(m^n)+g(1),\ldots,f(m^n)+g(k) are composite.
I. Tonov