What is the LCM and GCF of 4,5 and 6?
The least common multiple of 4,5, and 6 = 60
The greatest common factor of 4,5, and 6 = 1
I use a factor tree and a chart in order to find the LCM and the GCF.
Once you have the prime factors for the LCM multiply all the factors together but if you have two of the same factor only use it once.
For the (GCF) find factors that you have pairs of them. If you have multiple factors multiply them together. If you don't have any the (GCF) is 1.
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