Number TheoryChallengeFactors & Multiples ShareFactors & Multiples · Challenge problemLet a>ba > ba>b be coprime positive integers. Which describes the possible values of gcd(a+b,a−b)\gcd(a + b, a - b)gcd(a+b,a−b)?AIt is always 111BIt is always 222CIt can be 111, 222 or 444DIt can be 111 or 222, and nothing elseCheck Show answer Walk through it step by step Practice more like this Review this concept