Question

For positive integers m and n, let gcd (m,n) denote the largest integer that is a factor of both m and n. Find the sum of all possible values of gcd (a –1, a2 + a + 1) where a is a positive integer.​

Answer 1

Answer:

Find the sum of all possible values of gcd (a –1, - 27… ... n, let gcd (m,n) denote the largest integer that is a factor of both m ... values of gcd (a –1, a2 + a + 1) where a is a positive integer.