63

54

63

54

54

54

9

54

9

54

1

9

54

1

9÷3

54÷3

1

3

18

1

3÷3

18÷3

1

1

6

or

63

54

54

54

9

54

9

54

1

9

54

1

9

54

1

3 × 3

2 × 3 × 3 × 3

1

2 × ~~3~~ × ~~3~~ × 3

1

1

6

or

Common Divisors for 9 and 54 are: 3 and 3

Greatest Common Divisor = 3 × 3 = 9

1

63÷9

54÷9

1

1

6