6
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 150 is 6.