42

28

42

28

28

28

14

28

14

28

1

14

28

1

14÷2

28÷2

1

7

14

1

7÷7

14÷7

1

1

2

or

42

28

28

28

14

28

14

28

1

14

28

1

14

28

1

2 × 7

2 × 2 × 7

1

1

1

2

or

Common Divisors for 14 and 28 are: 2 and 7

Greatest Common Divisor = 2 × 7 = 14

1

42÷14

28÷14

1

1

2