LCM( 5, 36 ) = 180
The formula for finding LCM is
$$ \text{LCM} (a, b) = \frac{ a \cdot b }{ \text{GCD}(a,b)} $$In this example we have: a = 5, b = 36 and GCD(5, 36) = 1.
$$ \text{LCM} (5, 36) = \frac{ 5 \cdot 36 }{ \text{GCD}(5,36)} = \frac{ 180 }{ 1 } = 180 $$