a) 14, 16, 18
14:{1,2,7,14}
16:{1,2,4,8,16}
18:{1,2,3,6,9,18}
divizorul comun cel mai mare ->2
b) 28,42,54
28->{1,2,4,7,14,28}
42->{1,2,3,6,7,14,21,42}
54->{1,2,3,6,9,18,27,54}
divizorul comun cel mai mare->2
c)92,64,20
92->{1,2,4,23,46,92}
64->{1,2,4,8,18,32,64}
20->{1,2,4,5,10,20}
divizorul comun cel mai mare->4
