Finding the Highest Common Factor

What are the factors of 12?

• 1, 2, 3, 4, 6, 12

• 1, 2, 4, 6, 12

• 1, 2, 6 12

• 1, 12

The H.C.F of 8 and 12 is

• 1

• 4

• 2

• 8

The H.C.F of 4 and 6 is

• 6

• 1

• 4

• 2

The Factors of 15 are :

• 1, 5, 15

• 1, 15

• 1, 3, 5, 15

• 1, 3, 15

The highest common factor of 14 and 28 is:

• 14

• 7

• 28

• 1

The highest common factor of 7 and 14 is:

• 2

• 14

• 1

• 7

What are the factors of 16 ?

• 1, 2, 4, 8, 16, 32

• 1, 2, 4, 8, 16

• 1, 2, 8, 16

• 1, 2, 4, 8

The common factors of 5 and 15 are:

• 1 and 5

• 1 and 15

• 5 and 15

• 1 and 3

The H.C.F of 8 and 20 is

• 10

• 2

• 8

• 4

What are factors?

• all the numbers that are even.

• all the numbers that add to get it.

• all the numbers that divide into it exactly.

• all the numbers that you subtract to get it