X 2 x 3 x 4 x 5 10 3 July 8, 2019 16 32 64 128 X 2 x 3 x 4 x 5 10 3 by factorisation 4.52 x 10 5 1.24 x 10 2 3.70 x 10 4 1.74 x 10 3 3 x-5=x+3
