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MTEL Mathematics (Elementary) (53): Practice & Study Guide  /  Math Courses

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MTEL Mathematics (Elementary): Prime Factorization 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. What is the least common multiple of 8 and 33?

Question 2 2. Which of the following is a prime number?

Question 3 3. What is the shorthand way of writing the least common multiple?

Question 4 4. What is the prime factorization of 24?

Question 5 5. Find the LCM of 13 and 15.

Page 2

Question 6 6. Find the LCM of 5 and 20.

Question 7 7. Which sequence of numbers below is a list of multiples?

Question 8 8. What is the least common multiple of 27 and 12?

Question 9 9. What is the prime factorization of 17?

Question 10 10. What is the least common multiple of 18 and 42?

Page 3

Question 11 11. What is the prime factorization of 4?

Question 12 12. A prime number is _____.

Question 13 13. Which of the following is NOT a prime number?

Question 14 14. What number can you divide a prime number evenly by besides itself?

Question 15 15. What is the prime factorization of 4050?

Page 4

Question 16 16. Which is NOT a valid factor tree for 30?

Question 17 17. Which of the following is NOT a way to begin the factor tree for 1230?

Question 18 18. What is the prime factorization of 32?

Question 19 19. What is the least common multiple of 24 and 92?

Question 20 20. What is the least common multiple of 12, 18 and 22?

Page 5

Question 21 21. What is the prime factorization of 24 with exponents?

Question 22 22. Which of the following is NOT an example of a prime number?

Question 23 23. What is the prime factorization of 420?

Question 24 24. 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 25 25. For which of the number pairs below could you NOT use the shortcut of simply multiplying the two numbers together to find the LCM?

MTEL Mathematics (Elementary): Prime Factorization 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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