\(6^{15}.24^8.3=\left(2.3\right)^{15}.\left(2^3.3\right)^8.3=2^{15}.3^{15}.2^{24}.3^8.3==2^{39}.3^{24}\)
\(72^{12}=\left(2^3.3^2\right)^{12}=2^{36}.3^{24}\)
Vì \(\left(2^{39}.3^{24}\right)⋮\left(2^{36}.3^{24}\right)\Rightarrow\left(6^{15}.24^8.3\right)⋮72^{12}\)