Year 7 - Factors, multiples, LCF, HCM, prime numbers

Which one is a prime number?

• 0

• 1

• 5

• 8

Which one is a prime number?

• 2

• 4

• 6

• 8

Which one is a NOT prime number?

• 5

• 7

• 9

• 11

Which one is a NOT prime number?

• 13

• 15

• 17

• 19

True or false: A prime number has only two factors.

• True

• False

True or false: A composite number has three factors.

• True

• False

True or false: A composite number has more than just itself and the number 1 as factors.

• True

• False

Which of the following numbers are neither prime nor composite numbers?

• 0

• 1

• 2

• 3

Which one is not a factor of 8?

• 0

• 1

• 2

• 4

Which one is not a factor of 12?

• 6

• 5

• 2

• 4