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You need at least two numbers to find something in common between them but the least common factor of any set of numbers is 1.

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Q: What is the Lcf of 21?
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What is the lowest common factor of 21 and 3?

The LCF is 1. The GCF is 3. The LCM is 21.


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


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What does LCF stand for?

An LCF is the lowest common factor.


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The LCF of 315 and 1,000 is 5


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The LCF of 48 and 1,000 is 8.


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An LCF is the lowest common factor. It is usually one.


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