SOLUTION: What is the LCM of 84 and 138
Algebra.Com
Question 555329: What is the LCM of 84 and 138
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
First, list the prime factorization of each number. If you need help with prime factorization, check out this solver.
84: 2*2*3*7
138: 2*3*23
Now highlight the unique factors. Remember, highlight the factors that occur most frequently
84: 2*2*3*7
138: 2*3*23
Now multiply all of the highlighted factors
2*2*3*7*23=1932
So the LCM of 84 and 138 is 1932
If you need more help, email me at jim_thompson5910@hotmail.com
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Jim
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