Find G.C.D.(Greatest Common Divisor) of two numbers.

PROCEDURE:-

      1.input two interger values a and b
      2.if a is greater than b
      3.set n=b
      4.else set n=a
      5.repeat steps 6 and 9 until n is greater than 0
      6 find a modulo n and b modulo n, if modulo value is 0
      7. print gcd value as n
      8.stop
      9else decrement n by 1
CODE:-

#include<stdio.h>
void main()
{
int a,b,n;
printf(“enter two numbers for a,b to find GCD”);
scanf(“%d %d “,&a,&b);
if(a>b)
      n=b;
else
      n=a;
do
{
      if(a%n = = 0 && b%n = = 0)

{

printf(“ GCD for %d and %d is %d”,a,b,n);
break;

}

else

n=n-1;

}while(n>0);
}

Input:- enter two numbers for a ,b to find GCD 16 24
Output:- GCD for 16 and 24 is 8

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