84

8

84

8

80

8

4

8

4

8

10

4

8

10

4÷2

8÷2

10

2

4

10

2÷2

4÷2

10

1

2

or

84

8

80

8

4

8

4

8

10

4

8

10

4

8

10

2 × 2

2 × 2 × 2

10

10

1

2

or

Common Divisors for 4 and 8 are: 2 and 2

Greatest Common Divisor = 2 × 2 = 4

10

84÷4

8÷4

10

1

2