El Mcm y Dcm Dea - 14 , 10 , 2b - 16 , 48c - 18 12 20d 24 - 3 - 32 - 30e - 32 - 12 - 48 - 16f - 36 - 16 - 96 - 24g - 36 - 18 - 63 - 27h - 20 - 24 - 48 - 72?

MCM

a)

14 10 2 | 2

7 5 1 | 5

7 1 | 7

1

2•5•7 = 70

b)

16 48 | 2

8 24 | 2

4 12 | 2

2 6 | 2

1 3 | 3 1

2•2•2•2•3 = 48

c)

18 12 20 | 2

9 6 10 | 2

9 3 5 | 3

3 1 5 | 3

1 5 | 5 1

2•2•3•3•5 = 180

d)

24 3 32 30 | 2

12 3 16 15 | 2

6 3 8 15 | 2

3 3 4 15 | 2

3 3 2 15 | 2

3 3 1 15 | 3

1 1 5 | 5 1

2•2•2•2•2•3•5 = 480

e)

32 12 48 16 | 2

16 6 24 8 | 2

8 3 12 4 | 2

4 3 6 2 | 2

2 3 3 1 | 2

1 3 3 | 3 1 1

2•2•2•2•2•3 = 96

f)

36 16 96 24 | 2

18 8 48 12 | 2

9 4 24 6 | 2

9 2 12 3 | 2

9 1 6 3 | 2

9 3 3 | 3

3 1 1 | 3

1

2•2•2•2•2•3•3 = 288

g)

36 18 63 27 | 2

18 9 63 27 | 2

9 9 63 27 | 3

3 3 21 9 | 3

1 1 7 3 | 3 7 1 | 7 1

2•2•3•3•3•7 = 756

h)

20 24 48 72 | 2

10 12 24 36 | 2

5 6 12 18 | 2

5 3 6 9 | 2

5 3 3 9 | 3

5 1 1 3 | 3

5 1 | 5

1

2•2•2•2•3•3•5 = 720

MCD

a)

14 10 2 | 7

2 10 2 | 5

2 2 2 | 2

1 1 1

7•5•2 = 70

b)

16 48 |

c)

18 12 20 | 9

2 12 20 | 6

2 2 20 | 5

2 2 4 | 2

1 1 2 | 2 1

9•6.