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Why is twelve the least common multiple of 2 3 and 4?

Updated: 8/20/2019
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12y ago

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To find the least common multiple of 2, 3, and 4, factor them:

2 = 2 x 1

3 = 3 x 1

4 = 2 x 2 (Since one 2 has already been used to factor the number 2, only one 2 counts in the factors for the number 4.)

The least common multiple of 2, 3, and 4 = 1 x 2 x 3 x 2 = 12.

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12y ago
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Q: Why is twelve the least common multiple of 2 3 and 4?
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