2 x 4 2 5 13 July 8, 2019 16 32 64 128 5 2 3 x 4 2 13 X 2 4 )( x 13 )( x 5 2 = 0 4 2 x 13 9 4 2 x 5 9 2 x 13 2 x 2 5 2 4 x 5 1
