Question

Calcule o MDC e o MMC dos números abaixo. a) 120, 160. b) 168, 180.

Answer 1

a) MDC

120, 160 | 2

60, 80 | 2

30, 40 | 2

15, 20 | 2

15, 10 | 5

5, 5 | 5

1, 1

b) MDC

168, 180 | 2

84, 90 | 2

42, 45 | 2

21, 45 | 3

7, 15 | 5

7, 5 | 5

7, 1 | 7

1, 1

a) MMC

${2}^{4} . {5}^{2} = 400$

b) MMC

${2}^{3} .3. {5}^{2}.7 =8.3.25.7 \\ = 4200$