Answer:
[tex]\huge\boxed{\bf\:72}[/tex]
Step-by-step explanation:
We need to find the LCM of 24, 72.
[tex]3|\underline{24, 72}\\2|\underline{8,24}\\2|\underline{4, 6}\\2|\underline{2, 3}\\3|\underline{1,3}\\1,1[/tex]
LCM
= Multiply all the factors
= 3 × 2 × 2 × 2 × 3
= 72.
[tex]\rule{150pt}{2pt}[/tex]