Least Common Multiple (LCM) of 81 and 49

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To get the Least Common Multiple (LCM) of 81 and 49 we need to factor each value first and then we choose all the factors which appear in any column and multiply them:

81:   3333  
49:       77
LCM:   333377

The Least Common Multiple (LCM) is:   3 x 3 x 3 x 3 x 7 x 7 = 3969

 

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