Finding Factors and Multiples

Which number is a multiple of 8?

• 4

• 2

• 24

• 30

Which number is a factor of 25?

• 1

• 2

• 10

• 50

Find the Least Common Multiple of 9 and 6

• 18

• 36

• 38

• 72

Find the greatest common factor of 20 and 30

• 2

• 5

• 10

• 15

What is the LCM of 12 and 10

• 120

• 50

• 60

What is the greatest common factor (GCF) of 16 and 40?

• 4

• 8

• 2

• 10

Find the LCM of each set of numbers.
8, 12 

• 48

• 24

• 76

• 96

GCF 24 and 36

• 8

• 6

• 12

• 4

Which of the following are factors of 36? Check all that apply

• 9

• 6

• 8

• 2

What are the first four multiples of 10?

• 5,10,15,20

• 1,2,5,10

• 10,20,30,40

• 1,10,2,20