1. Prime Factorization

2. What is Prime Factorization? The process of converting a number into a product of prime numbers.

3. Video http://www.mathplayground.com/howto_pri mefactorization.htmlhttp://www.mathplayground.com/howto_pri mefactorization.html

4. 39 What times what equals 39? 1 x 39 3 x 13 313 What times what equals 3? 1 x 3 Prime What times what equals 13? 1 x 13 Prime 39= 3 x 13

5. 20 What times what equals 20? 1 x 20 2 X 10 4 x 5 45 What times what equals 4? 1 x 4 2 X 2 22 What times what equals 5? 1 x 5 What times what equals 2? 1 x 2 20 = 2 x 2 x 5 Prime

6. Practice Find the Prime factorization of each number. After you have had time to calculate click on the number to see if you have the correct answer. 4854 108 80

7. 48 68 23 24 316 44 2 22222 48 = 2 x 2 x 2 x 2 x 3

8. 108 254 69 108 18 6 23 2 33 108 = 2 x 2 x 3 x 3 x 3 9 23 33

9. 54 227 39 54 6 9 33 2 33 54 = 2 x 3 x 3 x 3 3

10. 80 420 54 80 8 10 25 2 22 80 = 2 x 2 x 2 x 2 x 5 4 22 22