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1) There isn't such a thing as a least common factor. If you really wanted to know, it is always 1. 2) You can't have something in common between only one thing. greatest common factor and least common multiple require you to compare two numbers.

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8y ago
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9y ago

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

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9y ago

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

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12y ago

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

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12y ago

The LCF is 1. The GCF is 5. The LCM is 20.

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Q: What is the least common factor between 5 and 20?
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