PLEASE HELP FAST!

Two numbers have prime factorizations of 2^2 · 3 · 5 and 2 · 3^2 · 7.


Which expression can be used to find their least common multiple?


2^3 · 3^3 · 5 · 7

2 · 3

2^2 · 3^2

6 · 2 · 3 · 5 · 7