1620
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To find the Least Common Multiple (LCM) of three numbers, you first need to find the prime factorization of each number. The prime factorization of 108 is 2^2 * 3^3, the prime factorization of 135 is 3^3 * 5, and the prime factorization of 162 is 2 * 3^4. Then, you take the highest power of each prime factor that appears in any of the factorizations, which gives you 2^2 * 3^4 * 5 = 540. Therefore, the LCM of 108, 135, and 162 is 540.
27, 54, 81, 108, 135, 162
GCD: 18 LCM: 1620
The multiples of 18 are 18, 36, 54, 72, 90, 108, 126, 144, 162, 180, . . . The multiples of 27 are 27, 54, 81, 108, 135, 162, 189, 216, 243, 270, . . .
LCM of 36 and 108 is 108.