Least Common Multiple (LCM) of 81 and 39

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To get the Least Common Multiple (LCM) of 81 and 39 we need to factor each value first and then we choose all the factors which appear in any column and multiply them:

81:   3333 
39:   3   13
LCM:   333313

The Least Common Multiple (LCM) is:   3 x 3 x 3 x 3 x 13 = 1053

 

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