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# What is the greatest common factor for 28?

Updated: 8/17/2019

Wiki User

15y ago

There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.

Wiki User

15y ago

Wiki User

13y ago

There is no Greatest Common Factor (GCF) for a single number. The Greatest Common Factor is the largest factor common to two or more numbers.

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Q: What is the greatest common factor for 28?
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