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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.

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10y ago
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14y ago

LCM of 75 and 189 is 4725.

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9y ago

4725

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Q: What is the LCM of 189 and 75?
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