Question

4) Calcule o mmc dos seguintes números:
a) 45 e 60
b) 30, 42 e 48
c) 36 e 24
d) 12, 14, 16 e 18
e) 16 e 81

Answer 1

Resolução

Calcule o MMC dos seguintes números:

a) 45 e 60

45,60:2

15,30:2

15,15:3

5,5:5

1

=======

2².3.5=

4.15=

60

b) 30, 42 e 48

30,42,48:2

15,21,24:2

15,21,12:2

15,21,6:2

15,21,3:3

5,7,1:5

1,7,1:7

1

========

2⁴.3.5.7=

16.3.35

16.105=

1680

c) 36 e 24

36,24:2

18,12:2

9,6:2

9,3:3

3,1:3

1

======

2³.3²=

8.9=

72

d) 12, 14, 16 e 18

12,14,16,18:2

6,7,8,9:2

3,7,4,9:2

3,7,2,9:2

3,7,1,9:3

1,7,1,3:3

1,7,1,:7

1

=======

2⁴.3².7=

16.9.7=

16.63=

1008

e) 16 e 81

16,81:2

8,81:2

4,81:2

2,81:2

1,81:3

1,27:3

1,9:3

1,3:3

1

======

2⁴.3⁴=

16.81=

1296