72 is a multiple of 8 and 9 July 8, 2019 16 32 64 128 Is 72 a common multiple of 8 and 9 Is 72 a common multiple of 8 and 9 how do you know 72 รท 9 72 is a multiple of 3 72 + 98 72 is a multiple of 8 72 + 8