There is none. A greatest common divisor is the largest number that will divide into two or more given numbers without a fractional remainder.
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 170 and 255 is 85
The greatest common divisor is 45.
The Greatest Common Divisor is 10
The Greatest Common Divisor is 28
The Greatest Common Divisor is 4
The Greatest Common Divisor is 4
The Greatest Common Divisor is 35
The Greatest Common Divisor is 1
The Greatest Common Divisor is 2
The Greatest Common Divisor is 22
The Greatest Common Divisor is 9
The Greatest Common Divisor is 19