Prime Factorization Practice
A Grade 7 math worksheet focused on understanding and applying prime factorization.
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Prime Factorization Practice
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Read each question carefully and show your work. Remember, a prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
Determine if each number is prime or composite. Write 'Prime' or 'Composite' in the blank.
1. 17 is .
2. 25 is .
3. 31 is .
4. 49 is .
Find the prime factorization of each number using the division method. Write your answer in exponential form.
5. Find the prime factorization of 36.
6. Find the prime factorization of 72.
Complete the factor tree for each number and write its prime factorization in exponential form.
7. Complete the factor tree for 60.
Prime factorization of 60:
8. Complete the factor tree for 84.
Prime factorization of 84:
9. Which of the following is the prime factorization of 100?
2 x 50
2² x 5²
10 x 10
4 x 25
10. The prime factorization of 20 is 2² x 5.
True
False
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