Multiples and factors

What is the smallest multiple of 18.

• 1

• 18

• 36

• 180

Which of the following is the multiples of 12?

• 24

• 6

• 3

• 1

The third multiple of 13 is (a)   ?

What is the smallest factor for every number?

(a)  

Which of the following is not a factor of 30?

• 6

• 10

• 30

• 60

What are the factors of 18?

(a)  

What are the 3rd to 5th multiple of 14?

(a)  

Which of the following is a prime number?

• 1

• 2

• 33

• 49

Which of the following is not a composite number?

• 12

• 27

• 39

• 47

38 is a (a)   of 2.