Classical number theory
Source: Iranian third round 2019 Finals Number theory exam problem 2
August 15, 2019
number theory
Problem Statement
Call a polynomial with integer coefficients primitive if and only if .a)Let be a primitive polynomial with degree less than and be a set of primes greater than .Prove that there is a positive integer so that is not divisible by any prime in .b)Prove that there exist a primitive polynomial with degree less than so that for any set of primes less than the polynomial is always divisible by product of elements of .