Least Common Multiple (LCM) of 21 and 82

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To get the Least Common Multiple (LCM) of 21 and 82 we need to factor each value first and then we choose all the factors which appear in any column and multiply them:

21:    37 
82:   2  41
LCM:   23741

The Least Common Multiple (LCM) is:   2 x 3 x 7 x 41 = 1722

 

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