X 5 x 3 )= 13 July 8, 2019 16 32 64 128 5 x 3 13x 5 x 7 3 x 13 2 x 5 x 3 x 13 5 x 7 )= 3 x 4 )- 13 2 x 5 x 7 x 3 x 13 X 2 2 5 x 3 13 20 5 x 3 13x simplified 5 x 3 137 5 x 15 x 13 3 5 x 1 )- 2 x 3 13 3 14 x 5 x 13 5 x 2 x 32 x 3 135