if 6 and 8 are factors of 60 n , what is the minimum value of n ?
"60 n / 6 * 8 should be integer = > 2 * 2 * 3 * 5 * n / 2 * 3 * 2 * 2 * 2 = 5 * n / 4 must be an integer for this to be true n must multiple of 4 , thus min of n = 4 hence b"
lcm(6, 8)