12 и 20 К(12)12,24,36,48,60...
К(20)20,40,60,80... НОК(12,20)=60
5,16и20 К(5)=5,10,15,20,25,30,35,40,45,50,55,60, 65,70,75,80
К(16)=16,32,48,64,80
К(20)=20,40,60,80 НОК(5,16,20)=80
15,30,45 К(15)=15,30,45,60,75,90
К(30)=30,60,90
К(45)=45,90 НОК=90
10,14,35 К(10)=10,20,30,40,50,60,70
К(14)=14, 28, 42, 56, 70
К(35)=35,70 НОК=70