MathDB
m^3+am+b is not a multiple of n

Source: KJMO 2017 p5

July 26, 2019
number theoryKJMO

Problem Statement

Given an integer n2n\ge 2, show that there exist two integers a,ba,b which satisfy the following.
For all integer mm, m3+am+bm^3+am+b is not a multiple of nn.