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Calculate the Least Common Multiple or LCM of 426

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The instructions to find the LCM of 426 are the next:

1. Decompose all numbers into prime factors

4262
2133
7171
1

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

Prime factors of 426=2 . 3 . 71

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

Common prime factors: 2 , 3 , 71

Common prime factors with the greatest exponent: 21, 31, 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 = 21. 31. 711 = 426


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