60

18

60

18

54

18

6

18

6

18

3

6

18

3

6÷2

18÷2

3

3

9

3

3÷3

9÷3

3

1

3

or

60

18

54

18

6

18

6

18

3

6

18

3

6

18

3

2 × 3

2 × 3 × 3

3

3

1

3

or

Common Divisors for 6 and 18 are: 2 and 3

Greatest Common Divisor = 2 × 3 = 6

3

60÷6

18÷6

3

1

3