6 5 4 3 2 0 July 8, 2019 16 32 64 128 5 6 3 2 0 4х )= 0 4 4х 1 X 3 4 5 x 3 2 6 0 2 3 4 5 6 0 is not divisible by X 4 15 x 6 5 x 2 3 0