68

12

68

12

60

12

8

12

8

12

5

8

12

5

8÷2

12÷2

5

4

6

5

4÷2

6÷2

5

2

3

or

68

12

60

12

8

12

8

12

5

8

12

5

8

12

5

2 × 2 × 2

2 × 2 × 3

5

5

2

3

or

Common Divisors for 8 and 12 are: 2 and 2

Greatest Common Divisor = 2 × 2 = 4

5

68÷4

12÷4

5

2

3