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If you want the "least", then there can only be one. If there were more than one,

then one would be smaller than the other, and they wouldn't both be "least".

The least common factor of 12 and 18 is ' 1 '.

In fact, the least common factor of any two numbers is ' 1 '.

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14y ago

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More answers

The least common factor is: 1. The least common factor of any set of integers is 1.

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8y ago
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The least common factor of any set of integers is 1.

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9y ago
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Q: What is the least common factor of 12 and 18?
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