Factors

The factors of 18 are _________

• 1,2,3,6

• 1,2,3,6,9,18

• 1,2,18

3 X 10 = 30, So 3 and 10 are multiples of 30.

• True

• False

The first three multiples of 9 are _____________

• 18,27,36

• 9,18,36

• 9,18,27

1 is a factor of every number.

• True

• False

Every number is a factor of itself.

• True

• False

Is 452 divisible by 9 ?

• Yes

• NO

Is 3 a factor of 72 ?

• Yes

• NO

The common factors of 15 and 20 are _______

• 1, 5

• 5

• 1

• 1,5, 15

The first two common multiples of 4 and 5 are _______

• 1, 20

• 20,40

• 20,30

• 40,42

74 is a multiple of 4.

• True

• False