Question

qual o mmc de 40,18,21

Answer 1

40, 18, 21 | 2
20, 9, 21 | 2
10, 9, 21 | 2
5, 9, 21 | 3
5, 3, 7 | 3
5, 1, 7 | 5
1, 1, 7 | 7
1, 1, 1

MMC(40, 18, 21) = 2.2.2.3.3.5.7 = 2520

Answer 2

2.520 é o mmc de 40 18 21