© 2007 M. Tallman

© 2007 M. Tallman

6

Factor- a number that is multiplied by another.

= 12

2×factor factor

2 and 6 are both factors of 12.

© 2007 M. Tallman

Factor- a number that divides evenly into

another

2 and 6 are both factors of 12.

6122)factor

factor

© 2007 M. Tallman

You can make a factor “T-Chart” to find all of the factors of a number.

121 × 122 × 63 × 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.

1 122 63 4

, , , , ,

© 2007 M. Tallman

You can make a factor “T-Chart” to find all of the factors of a number.

91 × 93 × 3

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.

1 93 3

, ,

© 2007 M. Tallman

1 × 2424

You can make a factor “T-Chart” to find all of the factors of a number.

24

2 × 123 × 8

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.

2 123 8

, , , , ,

4 × 64 6

1

,,

© 2007 M. Tallman

Find the factors of the following numbers using “T-Charts”.

16

1 × 162 × 84 × 4

15

1 × 153 × 5

10

1 × 102 × 5

20

1 × 202 × 104 × 5

18

1 × 182 × 93 × 6

25

1 × 255 × 5

14

1 × 142 × 7

28

1 × 282 × 144 × 7

© 2007 M. Tallman

Find the factors of the following numbers using “T-Charts”.

30

1 × 302 × 153 × 10

24

1 × 242 × 12

36

1 × 362 × 18

40

1 × 402 × 204 × 10

5 × 63 × 84 × 6

3 × 124 × 96 × 6

5 × 8