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The answer is 60. The best way to do this is put the numbers in a row and a line beneath them. On the left hand side start with the smallest Prime number that goes into them which is 2. The numbers that are divided by 2 go under the line and the numbers not divided by to do the same. Once you cannot use the 2 go up to the next prime number three. Do these steps until you have number ones left on the bottom. Then multiply the numbers on the left hand side to get your LCM.
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13y ago

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The LCM is 60.

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Wiki User

9y ago
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LCM(4, 5, 12) = 60

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Wiki User

14y ago
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60

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Wiki User

7y ago
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Q: What is the LCM of 5 12 and 4?
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