Factors and Multiples

1 - 20

200

all the factors of 10

1 x 10, 2 x 5

300

all the factors of 12

1 x 12, 2 x 6, 3 x 4

400

all the factors of 16

1 x 16, 2 x 8, 4 x 4

500

all the factors of 18

1 x 18, 2 x 9, 3 x 6

600

all the factors of 20

1 x 20, 2 x 10, 4 x 5

21 - 40

200

all the factors of 21

1 x 21, 3 x 7,

300

all the factors of 25

1 x 25, 5 x 5

400

all the factors of 28

1 x 28, 2 x 14, 4 x 7

500

all the factors of 30

1 x 30, 2 x 15, 3 x 10, 5 x 6,

600

all the factors of 40

1 x 40, 2 x 20, 4 x 10, 5 x 8

41 - 60

200

all the factors of 55

1 x 55, 5 x 11

300

all the factors of 50

1 x 50, 2 x 25, 5 x 10

400

all the factors of 56

1 x 56, 2 x 18, 4 x 14, 7 x 8

500

all the factors of 42

1 x 42, 2 x 21, 3 x 14, 6 x 7

600

all the factors of 60

1 x 60, 2 x 30, 3 x 20, 4 x 15, 6 x 10

Multiples

200

Name all the multiples of 2 (1-12)

2,4,6,8,10,12,14,16,18,20,22,24

300

Name all the multiples of 3

3,6,9,12,15,18,21,24,27,30,33,36

400

Name all the multiples of 5

5,10,15,20,25,30,35,40,45,50,55,60

500

Name all the multiples of 8

8,16,24,32,40,48,56,72,80,88,96

600

Name all the multiples of 10

10,20,30,40,50,60,70,80,90,100,110,120

Vocabulary

200

A number with only two factors

A Prime Number

300

A number with more than two factors.

A Composite number

400

A number that divides another number without leaving a remainder.

A Factor

500

The product of a given number and another factor.

A Multiple

600

The two strategies to finding factors are...

Multiplication and Division