MathDB
no primes in arithmetic seq of fixed length

Source: VJIMC 1998 1.1

August 24, 2021
number theoryArithmetic Progression

Problem Statement

Let aa and dd be two positive integers. Prove that there exists a constant KK such that every set of KK consecutive elements of the arithmetic progression {a+nd}n=1\{a+nd\}_{n=1}^\infty contains at least one number which is not prime.