\(168=2^3.3.7\)
\(180=2^2.3^2.5\)
\(\Rightarrow UCLN\left(168;80\right)=2^2.3=12\)
\(\Rightarrow BCNN\left(168;80\right)=2^3.3^2.5.7=2520\)
\(24=2^3.3\)
\(30=2.3.5\)
\(80=2^4.5\)
\(\Rightarrow UCLN\left(24;30;80\right)=2.3=6\)
\(\Rightarrow BCNN\left(24;30;80\right)=2^4.3.5=240\)
\(108=2^2.3^3\)
\(72=2^3.3^2\)
\(\Rightarrow UCLN\left(108;72\right)=2^2.3^2=36\)
\(\Rightarrow BCNN\left(108;72\right)=3^3.2^3=216\)
\(300=2^2.3.5^2\)
\(160=2^5.5\)
\(56=2^3.7\)
\(\Rightarrow UCLN\left(300;160;56\right)=2^2=4\)
\(\Rightarrow BCNN\left(300;160;56\right)=2^5.5^2.7=5600\)
