Algebra Factoring Practice Test Results

Question 1
86% answer correctly
What`s the least common multiple (LCM) of 8 and 5?
40
20
80
160
Question 2
56% answer correctly
Which of the following is a composite number?
2
46
29
11
Question 3
67% answer correctly
Which of the following is a composite number?
31
11
17
6