Respuesta :
(Not my own work.)
8 = 2 x 2 x 2
30 = ...........2 x 3 x 5
75 = ................3 x 5 x 5
--------------------------------------
....= 2 x 2 x 2 x 3 x 5 x 5
....= 600
8 = 2 x 2 x 2
30 = ...........2 x 3 x 5
75 = ................3 x 5 x 5
--------------------------------------
....= 2 x 2 x 2 x 3 x 5 x 5
....= 600