Algebra Factoring Practice Test Results

Question 1
90% answer correctly
What`s the least common multiple (LCM) of 7 and 2?
56
28
14
42
Question 2
71% answer correctly
Which of the following is not a composite number?
28
9
17
38
Question 3
56% answer correctly
Which of the following is a composite number?
2
11
29
46