9 is a factor of 81 July 8, 2019 16 32 64 128 9 is a factor of 81 true or false Is 9 a common factor of 81 and 108 Is 9 a common factor of 36 and 81 9 is a factor of 9 x 8 = Factors of 8 9 is a factor of 18 9 area
