Prime Factorization Practice
A Grade 5 math worksheet focusing on prime factorization, factor trees, and identifying prime and composite numbers.
Includes
Standards
Topics
Prime Factorization Practice
Name:
Date:
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Read each question carefully and provide the best answer. Remember to show your work for factor trees.
1. Which of the following is a prime number?
9
15
13
21
2. What are the prime factors of 12?
1, 2, 3, 4, 6, 12
2, 2, 3
3, 4
6, 2
3. A number that has exactly two factors, 1 and itself, is called a number.
4. A number that has more than two factors is called a number.
5. Draw a factor tree for the number 24. Write its prime factorization.
6. Draw a factor tree for the number 36. Write its prime factorization.
7. The number 1 is a prime number.
True
False
8. All even numbers are composite numbers, except for 2.
True
False
Use the words below to complete the sentences.
9. The process of breaking down a number into its prime is called prime .
10. The number 7 is a number, while 10 is a number.
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