It is: 15
The greatest common factor of 15 and 105 is 15.
The GCF is: 1
The GCF is 15.
Since 15 is a factor of 60, it is automatically the GCF.
3 is a factor of 12 & a factor of 15, so it's a common factor between 12 & 15. Also, as it's the only common factor between them, in addition to 1 of course, it's the highest common factor between 12 & 15.
It is: 5
The least common factor of any set of integers is 1.
The GCF is 3.
The GCF is 15.
It is: 15
The GCF is 5.
The GCF is 15.
The GCF is 3.
It is: 15
The HCF is: 15
The GCF is 15.