kelipatan persekutuan terkecil kpk dari bilangan 12,20,dan 30 adalah....... tolong dijwb skrg yaa makasiii

12
/\
2 6
.../\
.2 3

20
/\
2 10
.../\
..2 5

30
/\
2 15
..../\
...3 5

12 = 2^2 x 3
20 = 2^2 x 5
30 = 2 x 3 x 5
KPK = 2^2 x 3 x 5 = 60