32

28

32

28

28

28

4

28

4

28

1

4

28

1

4÷2

28÷2

1

2

14

1

2÷2

14÷2

1

1

7

or

32

28

28

28

4

28

4

28

1

4

28

1

4

28

1

2 × 2

2 × 2 × 7

1

1

1

7

or

Common Divisors for 4 and 28 are: 2 and 2

Greatest Common Divisor = 2 × 2 = 4

1

32÷4

28÷4

1

1

7