4 3 x 22 7 x 7 3 July 8, 2019 16 32 64 128 4 3 x 22 7 x 343 4 3 x 22 7 x 14 3 4 3 x 22 7 x 1 2 3 3 4 x 22 7 x 35 x 35 5 x 7 = 35 4 x 3/7 4 7×3 2