There is no greatest common multiple: for whatever value you say is the greatest I can always add their lowest common multiple and get an even greater common multiple.
There is a greatest common FACTOR and a LOWEST common multiple:
gcf(54, 108) = 54
lcm(54, 108) = 108
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54 is the greatest common factor of 54 and 108 since it is the largest common factor in both. 1*54 = 54 2 * 54 = 108
The Least Common Multiple (LCM) for 36 54 108 is 108.
54
The Least Common Multiple (LCM) for 18 54 108 is 108.
The Least Common Multiple (LCM) for 18 54 108 is 108.