96

20

96

20

80

20

16

20

16

20

4

16

20

4

16÷2

20÷2

4

8

10

4

8÷2

10÷2

4

4

5

or

96

20

80

20

16

20

16

20

4

16

20

4

16

20

4

2 × 2 × 2 × 2

2 × 2 × 5

4

4

4

5

or

Common Divisors for 16 and 20 are: 2 and 2

Greatest Common Divisor = 2 × 2 = 4

4

96÷4

20÷4

4

4

5