Greatest divisor of 459, apart from 459 itself, is 153. You need more than one number to have a"common" divisor.
51.
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 28
The Greatest Common Divisor is 19
The Greatest Common Divisor is 13
The greatest common divisor is 45.