1, 3, 211, 633
189 = 3 x 3 x 3 x 7
1, 2, 3 and 4
Six is divisible by: 1 2 3 6.
1 2 3 5 6.
Los divisibles de 30 son: 1, 2, 3, 5, 6, 10, 15, 30.
1,6,8
4
30 is divisible by: 1 2 3 5 6 10 15 30.
1, 2, 4
4 is divisible by 1, 2 and 4.
the easiest is 2*43=86