78

54

78

54

54

54

24

54

24

54

1

24

54

1

24÷2

54÷2

1

12

27

1

12÷3

27÷3

1

4

9

or

78

54

54

54

24

54

24

54

1

24

54

1

24

54

1

2 × 2 × 2 × 3

2 × 3 × 3 × 3

1

1

4

9

or

Common Divisors for 24 and 54 are: 2 and 3

Greatest Common Divisor = 2 × 3 = 6

1

78÷6

54÷6

1

4

9