To find the LCM of three numbers you first have to break them down into their prime factors. In this case:
27 = 3x3x3
18 = 2x3x3
10 = 2x5
The next step is to identify any duplicates and cross them out. In this case two numbers share two 3s as prime factors, and two numbers share a 2 as prime factor. That leaves us with 3, 3, 3, 2 and 5 as the prime factors to work with. Multiplying these together gives 270, and so the LCM of 27, 18 and 10 is 270.
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The Least Common Multiple (LCM) for 18 27 35 is 1,890.
The LCM is 36.
The LCM is their product. The LCM of 27 and 35 is 945.
The Least Common Multiple (LCM) of (27,34) is 918.
The LCM of 4 and 18 is 36.
The LCM of 52 and 36 is 468