If ppp and qqq are distinct prime numbers, what is lcm(pn,qm)\text{lcm}(p^n, q^m)lcm(pn,qm)?
pnqmp^n q^mpnqm
pn+mp^{n+m}pn+m
pmax(n,m)p^{\text{max}(n, m)}pmax(n,m)
pn+qmp^n + q^mpn+qm