96

80

96

80

80

80

16

80

16

80

1

16

80

1

16÷2

80÷2

1

8

40

1

8÷2

40÷2

1

4

20

1

4÷2

20÷2

1

2

10

1

2÷2

10÷2

1

1

5

or

96

80

80

80

16

80

16

80

1

16

80

1

16

80

1

2 × 2 × 2 × 2

2 × 2 × 2 × 2 × 5

1

1

1

5

or

Common Divisors for 16 and 80 are: 2, 2, 2 and 2

Greatest Common Divisor = 2 × 2 × 2 × 2 = 16

1

96÷16

80÷16

1

1

5