What is the lowest common multiple of 99 and 165?

To find the lowest common multiple (LCM) of 99 and 165, we first need to find the prime factorization of each number. The prime factorization of 99 is 3 x 3 x 11, and the prime factorization of 165 is 3 x 5 x 11. To find the LCM, we take the highest power of each prime factor that appears in either number: 3^2 x 5 x 11 = 495. Therefore, the lowest common multiple of 99 and 165 is 495.