The Least Common Multiple (LCM) of 3, 5, and 75 is 75.
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The LCM is: 75
4725.189 = 3*63 = 3*3*21 = 3*3*3*7.75 = 3*25 = 3*5*5.The LCM needs 3 3's, 2 5's and a 7. ... (Leave out the 3 from 75 since there are already 3's in 189.)LCM = 3*3*3*5*5*7 = 27*25*7 = 675*7 = 4725.
3 x 5 x 5 = 75 3 x 5 x 7 = 105 3 x 5 x 5 x 7 = 525, the LCM
The Least Common Multiple (LCM) of 5, 15, and 75 is 75.
3 and 675, respectively.