Algebra Factoring Practice Test Results

Question 1
67% answer correctly
What`s the greatest common factor of 48 and 24?
48
1
2
24
Question 2
86% answer correctly
What`s the least common multiple (LCM) of 8 and 5?
80
40
160
20
Question 3
65% answer correctly
Which of the following is not a composite number?
19
92
22
21