The greatest common factor of 138 and 207 is 69.
It can be. 69 is the GCF of 138 and 207.
It is: 1
It is: 207
The same as the greatest common factor of 20 and 7 (where 7 is the remainder of the division of 207 by 20).
The GCF is 69.
The GCF is: 9
The GCF is 23.
The GCF is 23.
The GCF is 9.
The GCF of 69 and 207 is 69 1*69 = 69 3*69 = 207
23 115/23=5 207/23=9
gcf of 138 and 207 is 69.