Calculate the Least Common Multiple or LCM of 639

The instructions to find the LCM of 639 are the next:

1. Decompose all numbers into prime factors

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

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

Common prime factors: 3 , 71

Common prime factors with the greatest exponent: 3², 71¹

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 = 3². 71¹ = 639

Also calculates the:

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