1. Prime Factorization

2. What is Prime Factorization?
The process of converting a number into a product of prime numbers.
8= 2 X 2 X 2
12 = 2 x 2 x 3
48 = 2 x 2 x 2 x 2 x 3

3. 1 x 69
3 x 23
What times what equals 69? 69
What times what equals 3?
1 x 3
Prime 3 23
What times what equals 23?
1 x 23
Prime
69= 3 x 23
Prime Factors of 69

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

5. Find the Prime factorization of each number.
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. 48 54
108 80

6. 48 48 6 8 3 16 2 4 4 4 2 3 2 2 2 2 2 2
48 = 2 x 2 x 2 x 2 x 3

7. 108
108 2 54 18 6 6 9 2 9 2 3 2 3 3 3 3 3
108 = 2 x 2 x 3 x 3 x 3

8. 54 54 2 27 6 9 3 9 2 3 3 3 3 3
54 = 2 x 3 x 3 x 3

9. 80 80 4 20 8 10 2 2 5 4 2 4 2 5 2 2 2 2
80 = 2 x 2 x 2 x 2 x 5