To find the Least Common Multiple (LCM) of 54 and 72, we first list the prime factors of each number: 54 = 2 * 3^3 and 72 = 2^3 * 3^2. Then, we take the highest power of each prime factor that appears in either number: 2^3 * 3^3 = 216. Therefore, the LCM of 54 and 72 is 216.
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