LCM( 375, 1 ) = 375
The formula for finding LCM is
$$ \text{LCM} (a, b) = \frac{ a \cdot b }{ \text{GCD}(a,b)} $$In this example we have: a = 375, b = 1 and GCD(375, 1) = 1.
$$ \text{LCM} (375, 1) = \frac{ 375 \cdot 1 }{ \text{GCD}(375,1)} = \frac{ 375 }{ 1 } = 375 $$