Algebra Factoring Practice Test Results

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