a)D24={1,2,3,4,6,8,12,24}
M1={1,2,3,4,5,6,...} M2={2,4,6,8,...} M3={3,6,9,12,...} M4={4,8,12,16,...} M6={6,12,18,...} M8={8,16,24,...} D12={12,24,36,...} D24={24,48,72,...}
M7={7,14,21,28,35,42,49,...}
b)M11={33,44,55,66}
c){17,19,23,29,31,37,39}
Scuze dar nu am fost sigur la d)