The Greatest Common Divisor of 18, 30 is 6.
The Greatest Common Divisor is 4
The Greatest Common Divisor is 22
The Greatest Common Divisor is 28
The Greatest Common Divisor is 19
The Greatest Common Divisor is 10
The Greatest Common Divisor is 13
The Greatest Common Divisor is 1
The Greatest Common Divisor is 9
The Greatest Common Divisor is 35
The Greatest Common Divisor is 2
The greatest common divisor is 45.