$\text{Ta có:}$
`540 = 2^{2} . 3^{3} . 5`
`4536 = 2^{3} . 3^{4} . 7`
`3564 = 2^{2} . 3^{4} . 11`
$\Rightarrow$ `ƯCLN(540 ; 4536 ; 3564) = 2^{2} . 3^{3} = 108`
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$\text{Ta có:}$
`63 = 3^{2} . 7`
`320 = 2^{6} . 5`
`331 = 1 . 331`
$\Rightarrow$ $\text{ƯCLN(540 ; 4536 ; 3564) = 1}$