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Calculate the Least Common Multiple or LCM of 92, 124 and 403

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The instructions to find the LCM of 92, 124 and 403 are the next:

1. Decompose all numbers into prime factors

922
462
2323
1
1242
622
3131
1
40313
3131
1

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

Prime factors of 92=22 . 23
Prime factors of 124=22 . 31
Prime factors of 403=13 . 31

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

Common prime factors: None

Common prime factors with the greatest exponent: None

Uncommon prime factors: 2 , 23 , 31 , 13

Uncommon prime factors with the greatest exponent: 22, 231, 311, 131

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 = 22. 231. 311. 131 = 37076


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