84

30

84

30

60

30

24

30

24

30

2

24

30

2

24÷2

30÷2

2

12

15

2

12÷3

15÷3

2

4

5

or

84

30

60

30

24

30

24

30

2

24

30

2

24

30

2

2 × 2 × 2 × 3

2 × 3 × 5

2

2

4

5

or

Common Divisors for 24 and 30 are: 2 and 3

Greatest Common Divisor = 2 × 3 = 6

2

84÷6

30÷6

2

4

5