Precalculus Examples

, ,
The LCM is the smallest positive number that all of the numbers divide into evenly.
1. List the prime factors of each number.
2. Multiply each factor the greatest number of times it occurs in either number.
Since has no factors besides and .
is a prime number
has factors of and .
has factors of and .
The LCM of is the result of multiplying all prime factors the greatest number of times they occur in either number.
The LCM of is .
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Multiply by .
Multiply by .
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