Question

mmc de {21,14} = mmc de {8,10,25= mmc de {20,30,40,120=

Answer 1

21,14/2
21,7/3
7,7/7
1,1
2.3.7=42

8,10,25/2
4,5,25/2
2,5,25/2
1,5,25/5
1,1,5/5
1,1,1
2.2.2.5.5=200

20,30,40,120/2
10,15,20,60/2
5,15,10,30/2
5,15,5,15/5
1,5,1,5/5
1,1,1,1
2.2.2.5.5=200