The GCF is 13.
Since 13 is a factor of 39, it is automatically the GCF.
The GCF of 13, 39 is 13.
The GCF is: 13
gcf(39, 91) = 13
The GCF is 13.
GCF(39, 78, 26) = 13.
The GCF is 13.
The GCF is 13.
The GCF is 13.
It can be. 13 is the GCF of 26 and 39.
The GCF is 13. 39=13*3 169=13*13
The GCF is 13.