kpk dari 18,24,30 dan jalannya

18,36,54,72,90,108,126,144,162,180,198,216,234,252,270,288,306,324,342,360
24,48,72,96,120,144,168,192,216,240,264,288,312,336,360
30,60,90,120,150,180,210,240,270,300,330,360
Cari Nomer yg sama = 360
jadi, KPK dari 18,24,dan 30, adalah 360

18= 2×3²,24=2³×3,30=2×3×5,KPK 2×3×5=2×3=6×5=30