8:
D={1,2,4,8}
M={8,16,24,32...}
10:
D={1,2,5,10}
M={10,20,30,40,50,60,70,80,90,100,110,..}
14:
D={1,2,7,14}
M={14,28,56....}
20:
D={1,2,4,5,10,20}
M={20,40,60..}
32:
D={1,2,4,8,16,32}
M={32,64,96,...}
16:
D={1,2,4,8,16}
M={16,32,48..}
13
D={1,13}
M={13,26,39..}
7:
D={1,7}
M={7,14,21,..}
9:
D={1,3,9}
M={9,18,27..}
5:
D={1,5}
M={5,10,15,20..}
11:
D={1,11}
M={11,121...}
13,7,5 si 11 sunt numere prime,au ca divizori doar 1 si pe ele insasi