76

12

76

12

72

12

4

12

4

12

6

4

12

6

4÷2

12÷2

6

2

6

6

2÷2

6÷2

6

1

3

or

76

12

72

12

4

12

4

12

6

4

12

6

4

12

6

2 × 2

2 × 2 × 3

6

6

1

3

or

Common Divisors for 4 and 12 are: 2 and 2

Greatest Common Divisor = 2 × 2 = 4

6

76÷4

12÷4

6

1

3