Question

Encontre o m.m.c dos numerais abaixo:
a)18,30,42
b)5,12,18,30
c)15 e 36

Answer 1

a) MMC (18, 30, 42) = 630

18, 30, 42 | 2
9, 15, 21 -- | 3
3, 5, 7 ----- | 3
1, 5, 7 ------ | 5
1, 1, 7 ------- |_7_
1, 1, 1, ------- | 2 . 3 . 3 . 5 . 7 = 630

b) MMC (5, 12, 18, 30) = 180

5, 12, 18, 30 | 2
5, 6, 9, 15 -- | 2
5, 3, 9, 15 -- | 3
5, 1, 3, 5 ---- | 3
5, 1, 1, 5 ----- |_5_
1, 1, 1, 1 ------- | 2 . 2 . 3 . 3 . 5 = 180



c) MMC (15, 36) = 180

15, 36 | 2
15, 18 | 2
15, 9 - | 3
5, 3 -- | 3
5, 1 --- |_5_
1, 1 ---- | 2 . 2 . 3 . 3 . 5 = 180