72 = 23 x 32
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The prime factorization for 72 is in the following 2.2.2.3.3=72
The prime factorization of 72 is: 2 × 2 × 2 × 3 × 3.
Use a factor tree. 72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
To find the Least Common Multiple (LCM) of 6, 8, and 18, you need to first find the prime factorization of each number. The prime factorization of 6 is 2 x 3, the prime factorization of 8 is 2 x 2 x 2, and the prime factorization of 18 is 2 x 3 x 3. Then, you take the highest power of each prime factor that appears in any of the numbers: 2^3 x 3^2 = 72. Therefore, the LCM of 6, 8, and 18 is 72.
49 = 72