GMATH
GCF / HCF Calculator
Find the greatest common factor or highest common factor of two or more integers.
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Formula
The GCF is the largest positive integer that divides every input without a remainder.
The GCF is the largest positive integer that divides every input without a remainder.
How it works
1
Enter two or more integers.
2
Separate them with commas.
3
Review the greatest common factor.
Important notes
Negative signs do not change the positive common factor.