a) multimea divizorilor comuni { 36,72,108,..........}
c.m.m.d.c(36,72)=36;
b) multimea divizorilor comuni {5,10,15,20,25........}
c.m.m.d.c(35,45)=5;
c) multimea divizorilor comuni {6,12,18,................}
c.m.m.d.c.(30,36,54)=6;
d) multimea divizorilor comuni {10,20,...................}
c.m.m.d.c (40,60,120,150)=10;