Page 41 - SPARK OF MATH book 4

(2-5) Understanding Factors and Multiples.

Factors are numbers that you can multiply

to get a product. We can visually represent
them in a diagram called a Factor Tree.

Example:

45 The factors of 45 are:

5×3×3

If you multiply
5 9
you get 45.
5×3×3

3 3 Factor Tree of 24

The factors of 24 are:

24 24 24

8 6 4

4

Factors Tree of 72 are:

41