10 and any multiple of 10 will have 10 as the greatest common factor. Or take any two relatively prime numbers (e.g. 7 and 13) and multiply both by 10. The resulting numbers (70 and 130) will have 10 as the greatest common factor.
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The Greatest Common Factor, or GCF.
The greatest common factor, or GCF.
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.
That's known as the greatest common factor, or GCF.
That's the greatest common factor, or GCF.