Algebra Factoring Practice Test Results

Question 1
67% answer correctly
What`s the greatest common factor of 48 and 24?
1
48
24
2
Question 2
86% answer correctly
What`s the least common multiple (LCM) of 8 and 5?
160
80
40
20
Question 3
57% answer correctly
Which of the following sets of factors do 72 and 64 have in common?
{1, 2, 4, 8}
{0, 3, 6, 9, 12, 18, 24, 36, 72}
{1, 2, 4, 8, 136}
{3, 6, 8, 9, 12, 18, 24, 36, 72}