Răspuns:
D8 {1,2,4,8}
D12 {1,2,3,4,6,12}
D84 {1,2,3,4,6,7,12,14,21,28,42,84}
D48 {1,2,3,4,6,8,12,16,24,48}
D30 {1,2,3,5,6,10,15,30
D120 {1,2,3,4,5,6,8,10,12,15,20,30,40,60,120}
D450 {1,2,3,5,9,10,15,17,25,30,45,50,90,150,225,450}
D150 {1,2,3,5,6,10,15,20,30,40,50,60,150}
c.m.m.d.c=1,2,3
Este 3