Question

Find lcm of 24 and 20

Answer 1

$$\begin{gathered} \mathrm{The}\mathrm{prime}\mathrm{factorisation}\mathrm{of}24\mathrm{and}20\mathrm{is}, \\ 24=2\times 2\times 2\times 3 \\ 20=2\times 2\times 5 \\ \mathrm{LCM}\mathrm{of}20\mathrm{and}24=2\times 2\times 2\times 3\times 5=120 \end{gathered}$$