Question

Calcule o máximo divisor comum dos seguintes números:

a) 8, 12, 18

b)12, 20, 45

Answer 1

a) 8, 12, 18 --------- 2
4, 6, 9 ----------- 2
2, 3, 9 ----------- 2
1, 3, 9 ----------- 3
1, 1, 3 ------------ 3
1, 1, 1 ------------------

MDC = 2 * 3 = 6


b) 12, 20, 45 ----------- 2
6, 10, 45 ------------ 2
3, 5, 45 ------------- 3
1, 5, 15 -------------- 3
1, 5, 5 -------------- 5
1, 1, 1 -------------------------

MDC = 2 * 3 * 5 = 30