Common factors of 81 and 72 July 8, 2019 16 32 64 128 Common factors of 81 72 and 16 Greatest common factors of 81 and 72 Common factors of 27 72 and 81 Find the common factors of 72 and 81 Common factors and gcf of 72 and 81 Common factors class 4 What is the factor of 3
