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Factoring & Divisibility Rules Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Jake makes $10 dollars an hour and Judy makes $15 dollars an hour. What is the smallest check they can receive so that both their earnings match?

Question 2 2. Find the GCF of 12 and 25.

Question 3 3. For which of the number pairs below could you NOT use the shortcut of simply multiplying the two numbers together to find the LCM?

Question 4 4. Which of the following is NOT an example of a prime number?

Question 5 5. What is the least common multiple between 5 and 15?

Page 2

Question 6 6. What is the shorthand way of writing the least common multiple?

Question 7 7. How many candies will each friend get if there are 3 friends and 9 candies?

Question 8 8. Which of the following is a prime number?

Question 9 9. Anna and Sarah are girl scouts out selling their cookies from door to door. Anna is able to earn $2 per door. Sarah is able to earn $5 per door. What is the smallest earnings that both Anna and Sarah will have in common?

Question 10 10. Which of the numbers is divisible by 3?

Page 3

Question 11 11. Which of the following is divisible by 2?

Question 12 12. How many candies are in each bowl if there are 5 bowls and 20 candies?

Question 13 13. Joey and Sarah both worked to solve for the prime factorization of 40. Joey's answer is 2 * 4 * 5. Sarah's answer is 2 * 2 * 2 * 5. Who is right and why?

Question 14 14. Find the LCM of 13 and 15.

Question 15 15. Which of the following is a composite number?

Page 4

Question 16 16. Which sequence of numbers below is a list of multiples?

Question 17 17. Which of the following is a composite number?

Question 18 18. A prime number is _____.

Question 19 19. Which number is divisible by 7?

Question 20 20. What is the short way to write the greatest common factor?

Page 5

Question 21 21. Sam has 40 blue balloons and 30 white balloons. He wants to split each set of balloons equally. What is the largest number of groups that Sam can split the balloons into so that both the blue balloons and the white balloons are shared equally between the groups? The number of blue and white balloons in each group do not have to match.

Question 22 22. Find the GCF of 15 and 35.

Question 23 23. What is the greatest common factor between 9 and 18?

Question 24 24. Which of the following has divisibility by 8?

Question 25 25.

Which of the following numbers has divisibility by 5?

A: 21

B: 20

C: 25

D: 23

Page 6

Question 26 26. Which of the following is a prime number?

Question 27 27. What is the prime factorization of 24?

Question 28 28. Which of the following is divisible by 9?

Question 29 29. Find the LCM of 5 and 20.

Question 30 30. If you have 10 cakes and 40 candles, how many candles does each cake get?

Factoring & Divisibility Rules Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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