Common factors of 72 and 90 July 8, 2019 16 32 64 128 Highest common factors of 72 and 90 Greatest common factors of 72 and 90 Common factors of 54 72 and 90 Common prime factors of 72 and 90 Dash are the common factors of 72 and 90 Highest common factors of 54 72 and 90