Prime Factorization of Composite Numbers

• Here is a list of ten numbers of which five are prime and five are composite. I have identified the composite numbers by highlighting

them in red.

40

3028

496389 31

232953

Composite Numbers Are Cool!

• On the following slides I will perform the prime

factorization of the five composite numbers.

Prime Factorization

Composite Numbers can be factored using a tree technique

into prime numbers

40

2 20

2 10 2

2 5 2 2

Prime Factorization

Composite Number

28

4 X 7

2 2 7Prime Factorization

Composite Number

63

3 31

Prime Factorization

Composite Number

49

7 7

Prime Factorization

Composite Number

30

3 10

Prime Factorization

Composite Number

3 2 5

Everyone can factor composite numbers!

That’s All Folks!