Find the highest common factor of 18 and 24 July 8, 2019 16 32 64 128 Find the highest common factor of 18 24 and 30 Find the highest common factor of 12 18 and 24 Find the highest common factor hcf of 18 and 24 Highest common divisor Greatest common factor of polynomials Greatest common denominator Find greatest common divisor of array Greatest common multiple