Algebra Factoring Practice Test Results

Question 1
67% answer correctly
Which of the following is a composite number?
11
17
31
6
Question 2
71% answer correctly
Which of the following is not a composite number?
28
17
9
38
Question 3
62% answer correctly
Which of the following sets of factors do 44 and 76 have in common?
{0, 11, 22, 44}
{1, 2, 4, 120}
{0, 1, 2, 4}
{1, 2, 4}