17
17.
Since 17 is a factor of 68, it is automatically the GCF.
The LCF is 1. The GCF is 1. The LCM is 68.
It can be. 18 is a common factor of 36 and 54.
Since 18 is a factor of 90 and it is the largest factor of itself, the greatest common factor of 18 and 90 is 18.Since 18 is a factor of 90, it is automatically the GCF.
The greatest common factor is 18.
The greatest common factor is 18.
The greatest common factor of 18 and 55 is 1.
The greatest common factor of 39 and 18 is definitely 3.
It is 1 but the highest common factor is 18
The Greatest Common Factor is 18