Least Common Multiple (LCM) of 21000 and 1980

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To get the Least Common Multiple (LCM) of 21000 and 1980 we need to factor each value first and then we choose all the factors which appear in any column and multiply them:

21000:   2223 5557 
1980:   22 335   11
LCM:   22233555711

The Least Common Multiple (LCM) is:   2 x 2 x 2 x 3 x 3 x 5 x 5 x 5 x 7 x 11 = 693000

 

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