Question

Do O PI11110100 2. Use the prime factorizations of 72 and 120 to find their LCM.

Answer 1

$\bf \begin{cases} 72=&\underline{2\cdot 2\cdot 2\cdot 3}\cdot 3\\ 120=&\underline{2\cdot 2\cdot 2\cdot 3}\cdot 5 \end{cases}\qquad \qquad \stackrel{LCM}{2\cdot 2\cdot 2\cdot 3}\implies 24$