Have an account?
Skip to Content
Build your own quiz
Suggestions for you
28 questions
Show Answers
See Preview
- 1. Multiple Choice
Use a factor tree to find prime factorization of 24.
2 x 2 x 3 x 3
2 x 2 x 2 x 3
6 x 2 x 2
2 x 3 x 4
- 2. Multiple Choice
Use a factor tree to find the prime factorization of 50.
2 x 2 x 5 x 5
5 x 5 x 3 x 2
2 x 5 x 5
2 x 25
- 3. Multiple Choice
Which of the following numbers is prime?
15
18
19
21
- 4. Multiple Choice
Which of the following is NOT prime?
11
13
19
21
- 5. Multiple Choice
Use a factor tree to find the prime factorization of 54.
3 x 3 x 2
2 x 3 x 3 x 3
3 x 2 x 1 x 3
3 x 3 x 1 x 5
- 6. Multiple Choice
Use a factor tree to find the prime factorization of 60.
2 x 3 x 3 x 2
2 x 2 x 2 x 3
2 x 5 x 2 x 2
2 x 2 x 3 x 5
- 7. Multiple Choice
Use a factor tree to find the prime factorization of 45
2 x 3 x 5
3 x 15
3 x 3 x 5
9 x 5
- 8. Multiple ChoiceDraw a factor tree for 15 on your white board. What is the correct prime factorization?2 x 53 x 103 x 5
- 9. Multiple Choice
Prime numbers have _____ factors.
no
3
1
2
- 10. Multiple ChoicePrime numbers have:Exactly 2 factors2 pairs of factorsMore than 2 factors1 factor
- 11. Multiple ChoiceComposite numbers:Are always bigger than prime numbersHave more than 2 factorsHave 2 pairs of factorsDon't have factors
- 12. Multiple ChoiceFind the prime number10974
- 13. Multiple Choice
Which number is composite?
11
13
21
23
- 14. Multiple ChoiceWhich number is NOT a factor of 10?1235
- 15. Multiple ChoiceWhich number listed below is a prime number?1376333
- 16. Multiple ChoiceWhich is a prime number?15172139
- 17. Multiple Choice
Draw a factor tree for 24 on your white board. What is the correct prime factorization?
2 x 2 x 2 x 3
2 x 2 x 3
6 x 4
2 x 2 x 3 x 3
- 18. Multiple ChoiceWhich of these numbers is not prime?17252337
- 19. Multiple Choice
What is the missing factor?
1
2
5
8
- 20. Multiple Choice
What are the missing factors?
2 and 3
3 and 6
3 and 3
1 and 9
- 21. Multiple Choice
What is the missing factor?
3
5
6
7
- 22. Multiple ChoiceWhat are the factors of 25?1, 2, 3, 5, 10, 15, 251, 5, 251, 251, 5
- 23. Multiple ChoiceFind the prime number10974
- 24. Multiple Choice
A number that is multiplied by another number is called a
prime number
factor
factor pair
composite number
- 25. Multiple Choice
2 is special because it is the only...
Odd composite number
Even composite number
Odd prime number
Even prime number
- 26. Multiple Choice
0 is neither prime nor composite
True
False
- 27. Multiple ChoiceWhich number listed below is a prime number?1376333
- 28. Multiple Choice
Which number is NOT a factor of 60?
15
6
7
3
- Answer choicesTagsAnswer choicesTags