Algebra Factoring Practice Test Results

Question 1
71% answer correctly
Which of the following is not a composite number?
28
9
17
38
Question 2
79% answer correctly
What`s the greatest common factor of 36 and 44?
1
2
8
4
Question 3
94% answer correctly
Which of the following is not a multiple of 9?
65
27
45
54