Least Common Multiple (LCM) of 1620 and 990

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To get the Least Common Multiple (LCM) of 1620 and 990 we need to factor each value first and then we choose all the factors which appear in any column and multiply them:

1620:   2233335 
990:   2 33  511
LCM:   223333511

The Least Common Multiple (LCM) is:   2 x 2 x 3 x 3 x 3 x 3 x 5 x 11 = 17820

 

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