Algebra Factoring Practice Test Results

Question 1
94% answer correctly
Which of the following is not a multiple of 9?
27
45
54
65
Question 2
60% answer correctly
Which of the following is not a composite number?
76
51
22
7
Question 3
66% answer correctly
What`s the least common multiple (LCM) of 9 and 7?
63
252
64
9 and 7 have no common multiples