98

70

98

70

70

70

28

70

28

70

1

28

70

1

28÷2

70÷2

1

14

35

1

14÷7

35÷7

1

2

5

or

98

70

70

70

28

70

28

70

1

28

70

1

28

70

1

2 × 2 × 7

2 × 5 × 7

1

1

2

5

or

Common Divisors for 28 and 70 are: 2 and 7

Greatest Common Divisor = 2 × 7 = 14

1

98÷14

70÷14

1

2

5