Answer:
Find the prime factorization of 30
30 = 2 × 3 × 5
Find the prime factorization of 66
66 = 2 × 3 × 11
Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2 × 3 × 5 × 11
LCM = 330
* Hopefully this helps:)