Factors, Multiples, Prime, Composite, & Square Numbers Review

What are all the factors of 17?

• 1, 2, 7

• 1, 3, 17

• 0, 1, 7, 17

• 1, 17

What are all the factors of 12?

• 1, 2, 3, 4, 12

• 2, 3, 4, 6

• 1, 2, 3, 4, 6, 12

• 0, 1, 2, 6, 12

Composite numbers have

• 3 or more factors

• 4 or more factors

• 1 or more factors

• 2 factors

Which number is a square number?

• 10

• 16

• 20

• 5

The first four multiples of 6 are

• 6, 12, 18, 24

• 6, 12, 24, 30

• 6, 24, 30, 36

• 1, 6, 12, 18

Which of these numbers is NOT a square number?

• 36

• 4

• 100

• 2

Multiples are

• numbers with only 2 factors

• numbers with more than 2 factors

• the product of a whole number and another whole number (skip counting)

The numbers 10 and 20 are

• prime

• square

• composite

Prime numbers have

• only 1 factor

• EXACTLY 2 factors

• MORE than 2 factors

The number 1 is

• prime

• composite

• neither

• both