you are taking the following test:

Grade: 6,    Subject: Math,    Topic: Factors and Multiples
 Question 1: List all the factors of 20. 1, 3, 4, 5, 10 and 20 1, 2, 4, 5, 10 and 20 1, 2, 6, 5, 10 and 20 1, 2, 4, 9, 10 and 20
 Question 2: Select the CORRECT statement. 6 is not a factor of 42 5 is a factor of 18 9 is not a factor of 45 7 is not a factor of 15
 Question 3: Which shows the prime factorization 45? 3 × 3 × 5 2 × 3 × 5 3 × 5 × 5 3 × 3 × 3
 Question 4: What is the prime factorization of 147? 3 × 5 × 7 3 × 7 × 9 3 × 6 × 7 3 × 7 × 7
 Question 5: What are the prime factors of 91? 3 and 31 6 and 13 7 and 13 5 and 13
 Question 6: What is the third multiple of 25? 100 80 90 75
 Question 7: 54, 72 and 108 are multiples of which number? 8 12 9 7
 Question 8: Select the CORRECT statement. The ninth multiple of 12 is 112. 72 is a multiple of both 8 and 9. 90 is a multiple of both 10 and 12. 54 is a multiple of both 8 and 9.
 Question 9: Which of these is a multiple of 7? 1,880 561 1,729 1,720
 Question 10: Which of the following shows the prime factorization of 56? 23 × 7 23 × 8 22 × 3 × 7 32 × 7