Question

Number of common factors for two numbers large values up to 10^12

Answer 1

let A and B be two numbers and A can be written as x power m and B can be written as y m something where x and y are prime numbers

The greatest common factor, or GCF, is the greatest factor that divides two numbers. To find the GCF of two numbers: List the prime factors of each number. Multiply those factors both numbers have in common.