4 1 7 1 3 7 July 8, 2019 16 32 64 128 4 2 7 1 3 7 1 4 7 divided by 3 1 7 X 1 7 =- 4 3 1 7 4 3 4 x )- 1 5 7x 1 7 1 3 3x 1 )=- 1 7 4 7
