Today we learned about the Least Common Multiple (LCM). The least common multiple is the smallest number that two numbers have in common. For example the least common multiple of 10 and 30 is 30 because 10 times 3 is 30 and 30 times 1 is 30.
We also found out how to find the LCM using prime factorization. First you need to write the prime factorization. Next you need to use the GREATEST power of each factor, so if you had one number that was two to the third power and another that was two to the second, two to the third would go into the prime factorization. Then you write the least common multiple as a product.
This is what we learned in class today.
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