210/2 105/3 35/5 7/7 = 2*3*5*7
225/5 45/5 9/9 = 5*5*9
875/5 175/5 35/5 7/7= 5*5*5*7
1225/5 245/5 49/7 7/7= 5*5*7*7
2695/5 539/7 77/7 11/11 = 5*7*7*11
