The LCM is: 4,158
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The least common factor of any set of positive integers is 1.
The Least Common Multiple (LCM) for 12 30 4 is 60.
The LCM is 440.
The LCM of 4, 20, and 22 is 220
60 15 and 4 have no common factors, so the LCM must be at least their product. The number 30 does not introduce any additional factors, so the LCM is 60.