Remember
 |
Factors:
every number has itself and 1
as factors; in between are all the factors that evenly divide into
that number. |
| Example:
to list the factors of
6 begin with 1 and end with 6. |
1
x 6 = 6
2 x 3 = 6
3 x 2 = 6
6 x 1 = 6 |
Factors
of 6
1, 2, 3, and 6 |
|
Common
factors |
Common
factors are numbers that are factors of two or more
products. |
|
GCF |
The
greatest common factor of two or more
products is the greatest number that
is a factor of those products. |
What are all the
common factors of each set of numbers? Choose the GCF.
|
1. 9
and 15
__________
|
|
 |
|
2. 9
and 21
__________
|
|
|
|
3. 12
and 18
__________
|
|
|
|
4. 25
and 35
__________
|
|
|
|
5. 8
and 12
__________
|
|
|
Is
there a factor that all even numbers have in common? |
|
Let's
Review
This site is best viewed with Internet
Explorer
Copyright © 2001-03
Oswego City School District
New York State Intermediate Test Prep Center
Studyzone.org
|
