2. THE PRIME SUSPECTS By Mrs. Eaglin

3. What are prime numbers? Why are they important? PRIME NUMBERS

4. AA prime number is a number that only has two factors-itself and one. oAoA factor is a number that divides evenly into another. 2 X 6 = 12; 2 and 6 are factors of 12.

5.  A prime number is a number that only has two factors-itself and one oSome examples are 3, 5, and 7

6. PRIME NUMBERS AA prime number is a number that only has two factors-itself and one o Not all odd numbers are prime numbers  Some examples are 3, 5, and 7

7. 3 X 1 1 X 3 The factors are 1 And 3 Three is a prime number because it only has two factors. PRIME NUMBERS

8. 5 x 1 Five is a prime number. Its only factors are five and one. PRIME NUMBERS 1 x 5

9. 7 X 1 Is 7 a prime number? PRIME NUMBERS 1 X 7

10. 9 Can you tell why nine is not prime? PRIME NUMBERS

11. The importance of prime numbers KKnowing prime numbers will help you to know if you should reduce fractions PPrime numbers will help you with factoring numbers

12. Factoring a number 32 84 22 xx 2 x 4 x 22 x

13. Prime numbers in fractions 5 7 2 3 1 5 Knowing prime numbers will help you determine if you need to reduce.

14. So what are the other numbers called? Composite –A number that has 2 or more factors. –The number 8 is a composite number. It’s factors are 2, 4, and 8

15. PRIME NUMBERS- THE BUILDING BLOCKS OF OUR NUMBER SYSTEM