LCM( 676, 650 ) = 16900
The formula for finding LCM is
$$ \text{LCM} (a, b) = \frac{ a \cdot b }{ \text{GCD}(a,b)} $$In this example we have: a = 676, b = 650 and GCD(676, 650) = 26.
$$ \text{LCM} (676, 650) = \frac{ 676 \cdot 650 }{ \text{GCD}(676,650)} = \frac{ 439400 }{ 26 } = 16900 $$