It is not possible to give a sensible answer to this question. The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question!
The greatest common factor of 15 and 105 is 15.
The Greatest Common Factor (GCF) is: 15
The greatest common factor of 15 and 32 is 1
The greatest common factor of 15 and 55 is 5.
The greatest common factor for 15 and 16 is 1.
The greatest common factor of 15 and 110 is 5.
3 is the greatest common factor of 69 and 15.
5 is the greatest common factor.
The greatest common factor of 15,45, and 90 is 15.
The greatest factor of 15 is 15. The greatest factor of 20 is 20. The greatest common factor of 15 and 20 is 5.
greatest common factor of 75 30 is 15.
Since 15 is a factor of 60, it is automatically the GCF.