[tex]a) \\
36 = 2^2 \times 3^2 \\
144 = 2^4 \times 3^2 \\
cmmdc = 2^2 \times 3^2 = 4 \times 9 = \boxed{36} \\ \\
b) \\
48 = 2^4 \times 3 \\
108 = 2^2 \times 3^3 \\
cmmdc = 2^2 \times 3 = 4 \times 3=\boxed{12} \\ \\
c) \\
56=2^3 \times 7 \\
72=2^3 \times 3^2 \\
cmmdc=2^3 = \boxed{8} [/tex]
[tex]d) \\
104 = 2^3 \times 13 \\
91= 7 \times 13 \\
cmmdc= \boxed{13}[/tex]
