The natural numbers less than or equal to 8 are :
U = {1, 2, 3, 4, 5, 6, 7, 8}
The even factors of 8 are :
B = {2, 4, 8}
Note that the complement of B is the set of elements in U that is NOT in B.
This will be :
B' = {1, 3, 5, 6, 7}
The answer is B. {1, 3, 5, 6, 7}
