Mathematics Form 1 Chapter 2 Factors and Multiples

What HCF stands for?

What LCM stand for?

84 ÷ 2 =Z

=Z

Is 2 a prime number?

• 84 ÷ 2 = 42

  No

• 84 ÷ 2 = 43

  Yes

• 84 ÷ 2 = 42

  Yes

Is 9 a factor of 30?

• No

• Yes

• a) 2

  b) 5

  c) 5x2

• a) 3

  b) 5

  c) 3x5

• a) 3

  b) 2

  c) 3x2

Select 3 multiples of 30

• 90

• 300

• 250

• 150

• No

• Yes

List four common factors of 12 and 18.

What is the highest common factor of 12 and 18?

• 1

• 2

• 3

• 6

List five common multiples of 6 and 8.