What is the greatest common divisor of 36 and 84?
Explanation
Prime factorization of 36 is 2² × 3², and for 84 it is 2² × 3 × 7. The highest common factor is the product of the lowest powers of common primes: 2² × 3 = 12.
Prime factorization of 36 is 2² × 3², and for 84 it is 2² × 3 × 7. The highest common factor is the product of the lowest powers of common primes: 2² × 3 = 12.