Algebra Factoring Practice Test Results

Question 1
57% answer correctly
Which of the following sets of factors do 72 and 64 have in common?
{1, 2, 4, 8, 136}
{1, 2, 4, 8}
{3, 6, 8, 9, 12, 18, 24, 36, 72}
{0, 3, 6, 9, 12, 18, 24, 36, 72}
Question 2
56% answer correctly
Which of the following is a composite number?
2
29
11
46
Question 3
71% answer correctly
Which of the following is not a composite number?
28
17
9
38