It can be. 13 is the GCF of 26 and 39.
gcf(39, 91) = 13
The GCF is 13.The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 1.
The GCF of 169 and 104 is 13.
its 13 but to get it u can do factor trees that's how i do it
Since 13 is a factor of 39, it is automatically the GCF.
The GCF is 13.
The GCF of 13, 39 is 13.
The GCF is 13.
The GCF of 13 and 52 is 13.