Since 13 is a factor of 52, it is automatically the GCF.
It is 13
The GCF is: 13
The GCF is 4.
The GCF is: 2
The GCF is 4.
The GCF is 4.
39=13*3 52=13*4 so LCM of 39 and 52 is 13*12=156
gcf(39, 91) = 13
The GCF is 13.The GCF is 13.
The GCF is 13.
The GCF is 13.
The GCF is 1.