1. Factors

2. Factor- a number that is multiplied by another.2 × 6
= 12
factor
factor
2 and 6 are both factors of 12.

3. Factor- a number that divides evenly into another6
factor ) 2 12
factor
2 and 6 are both factors of 12.

4. Step 1: Draw a “T-Chart” with the number on top.
Step 2: List multiplication facts, beginning with 1.
Step 3: Continue listing multiplication facts until all math facts are listed.
Step 4: These are all the factors of 12.
Factor "T-Chart"
You can make a factor “T-Chart” to find all of the factors of a number. 12 1
1 × 12 12 2
2 × 6 6 3
3 × 4 4 , , , , ,

5. Step 1: Draw a “T-Chart” with the number on top.
Step 2: List multiplication facts, beginning with 1.
Step 3: Continue listing multiplication facts until all math facts are listed.
Step 4: These are all the factors of 12.
Factor "T-Chart"
You can make a factor “T-Chart” to find all of the factors of a number. 9 1
1 × 9 9 3
3 × 3 3 , ,

6. Step 1: Draw a “T-Chart” with the number on top.
Step 2: List multiplication facts, beginning with 1.
Step 3: Continue listing multiplication facts until all math facts are listed.
Step 4: These are all the factors of 24.
Factor "T-Chart"
You can make a factor “T-Chart” to find all of the factors of a number. 24
1 × 24 1 24
2 × 12 2 12
3 × 8 3 8 4
4 × 6 6 , , , , , , ,

7. Find the factors of the following numbers using “T-Charts”.
Your Turn!
Find the factors of the following numbers using “T-Charts”. 16 15 10 20
1 × 16
1 × 15
1 × 10
1 × 20
2 × 8
3 × 5
2 × 5
2 × 10
4 × 4
4 × 5 18 25 14 28
1 × 18
1 × 25
1 × 14
1 × 28
2 × 9
5 × 5
2 × 7
2 × 14
3 × 6
4 × 7

8. Find the factors of the following numbers using “T-Charts”.
Your Turn!
Find the factors of the following numbers using “T-Charts”. 30 24 36 40
1 × 30
1 × 24
1 × 36
1 × 40
2 × 15
2 × 12
2 × 18
2 × 20
3 × 10
3 × 8
3 × 12
4 × 10
5 × 6
4 × 6
4 × 9
5 × 8
6 × 6