Factor and Multiple

What are the first six multiples of 7?

• 14, 35, 21, 28, 42

• 7, 28, 42, 35, 63

• 7, 14, 28, 35, 42, 56

• 7, 14, 21, 28, 35, 42

What are the first five multiples of 3?

• 6, 9, 15, 18, 21

• 3, 6, 9, 12, 18

• 3, 6, 9, 15, 18

• 3, 6, 9, 12, 15

List the first 5 multiples of 8

• 1, 2, 4, 8

• 8, 16, 24, 32, 40

What is the highest common factor (HCF) of 20, 30 and 40?

Which is a factor of 15?

• 2

• 3

• 4

• 6

which number is not a factor of 10?

• 1

• 2

• 3

• 5

Which are the factors of both 6 and 15?

• 9

• 5

• 6

• 3

Factor, in mathematics, is a number that divides another number, with no remainder.

• True

• False

Find the factorization of 16?

• 1 x 16

• 2² x 4

• 2⁴

• 2² + 2²

Which of the following is NOT a factor of 8?

• 2

• 4

• 1

• 6