11 is the GCF.
The LCM is 660.
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The LCM is 220.
The Least Common Multiple (LCM) of 55 and 66 is 330.
The LCM is 220
66 can be represented as 11*3*2 and 44 can be represented as 11*2^2. Thus the LCM must be 11*3*2^2, or 132.
66