2 128 16 July 8, 2019 16 32 64 128 X 2 16x 128 2 16 128 common ratio 4x 2 128 16x X 2 16x 128 0 4w 2 16w 128 Y 2 16y 128 2 x 16 128 Factorise x 2 16x 128
