Question

Qual o mmc de 10 20 60 70 ?

Answer 1

10, 20, 60, 70|2
5, 10, 30, 35|2
5, 5, 15, 35|3
5, 5, 5, 35|5
1, 1, 1, 7|7
1, 1, 1, 1 2*2*3*5*7= 420

Beleza?

Answer 2

mmc (10)  10, 20 , 30, 40. 50, 60, 70, 80. 90,100...
mmc ( 20)  20 , 40, 60, 80, 100...
mmc (60) 0,60,120,240,480,560... 

28,60,70 /2
14,30,35 / 2
7,15,35 / 5
7,3,7 / 7
1,3,1 / 3
1,1,1
 
2*2*5*7*3 = 420