You need at least two numbers to find a GCF.The greatest factor of 18 is itself
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.
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 of 40 and 18 is 2.
The greatest common factor of 18 , 7 = 1
The greatest common factor of 18 and 56 is 2.
2 is the greatest common factor of 18 and 562
The Greatest Common Factor of 6, 18 is 6.
The greatest common factor of 18 and 100 is 2
The greatest common factor of 18 and 118 is 2.