2 2 3 4 6 7 July 8, 2019 16 32 64 128 2 3 4 6 7 8 2 3 4 6 7 9 1 2 3 4 6 7 5 2 3 4 6 7 2 2 6 x 3 4 7 2 3 4 6 7 8-hcf Digits 2 3 4 6 7 8 are arranged in the following blanks