Question 116261


First, list the prime factorization of each number. If you need help with prime factorization, check out this <a href="http://www.algebra.com/algebra/homework/divisibility/factor-any-number.solver">solver</a>.



12: 2*2*3



18: 2*3*3



Now highlight the unique factors. Remember, highlight the factors that occur most frequently



12: <font color="red">2*2</font>*3



18: 2*<font color="red">3*3</font>



Now multiply all of the highlighted factors


2*2*3*3=36


So the LCM of 12 and  18  is 36