The LCM of 51, 18, 432 and 144 is:

Correct option is A

Given:

Find the LCM of: 51, 18, 432, and 144

Solution:

Prime Factorization:

​$$51 = 3 \times 17 \\ \ \\18 = 2 \times 3^2 \\ \ \\432 = 2^4 \times 3^3 \\ \ \\144 = 2^4 \times 3^2$$​​

LCM = $$2^4 \times 3^3 \times 17 = 16 \times 27 \times 17 = 7344$$​​