1. Prime Factorization

2. Warm-up Please use the 4 step process to complete this problem in your spiral Which group contains 4 factors of 32? a. 2, 4, 9, 16 b. 2, 4, 8, 32 c. 1, 2, 3, 4 d. 2, 4, 6, 32

3. What is Prime Factorization? Prime Factorization – Writing a number as the product of prime factors. You can use any two factors to make your tree. 16 44 2222 82 4 22 2

4. Getting Your Answer To get your answer you have to multiply the circled numbers Circle the prime numbers 16 44 2222 2 x 2 x 2 x 2

5. Prime Factorization Draw Factor Trees for 12.

6. Prime Factorization Draw Factor Trees for 42.

7. Prime Factorization Draw Factor Trees for 56.

8. Prime Factorization Draw Factor Trees for 24 and 36.

9. Prime Factorization 1. The prime factorization of 54 is _____. a. 1 x 2 x 3 x 3 x 54 b. 2 x 3 x 3 x 3 c. 2 x 3 x 3 x 3 x 6 x 9 d. 2 x 2 x 9

10. Prime Factorization 2. Which answer choice is NOT a prime factorization? a. 2 x 2 x 11 b. 3 x 5 x 7 c. 3 x 3 x 8 d. 5 x 5 x 5

11. Prime Factorization 3. 2 x 2 x 2 x 5 is the prime factorization for which number? a. 30 b. 40 c. 20 d. 25

12. Prime Factorization 4. Marissa’s math homework paper had a corner torn off. All that was remaining of a prime factorization was 2 x 2 x 5 x _. This could NOT have been the prime factorization for which number below? a. 25 b. 40 c. 60 d. 80