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Calculate the Least Common Multiple or LCM of 250 and 450

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The instructions to find the LCM of 250 and 450 are the next:

1. Decompose all numbers into prime factors

2502
1255
255
55
1
4502
2253
753
255
55
1

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

Prime factors of 250=2 . 53
Prime factors of 450=2 . 32 . 52

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

Common prime factors: 2 , 5

Common prime factors with the greatest exponent: 21, 53

Uncommon prime factors: 3

Uncommon prime factors with the greatest exponent: 32

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. 53. 32 = 2250


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