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Calculate the Least Common Multiple or LCM of 393

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The instructions to find the LCM of 393 are the next:

1. Decompose all numbers into prime factors

3933
131131
1

2. Write all numbers as the product of its prime factors

Prime factors of 393=3 . 131

3. Choose the common and uncommon prime factors with the greatest exponent

Common prime factors: 3 , 131

Common prime factors with the greatest exponent: 31, 1311

Uncommon prime factors: None

Uncommon prime factors with the greatest exponent: None

4. Calculate the Least Common Multiple or LCM

Remember, to find the LCM of several numbers you must multiply the common and uncommon prime factors with the greatest exponent of those numbers.

LCM = 31. 1311 = 393


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