#include <stdio.h>
int CommonFactors(int a,int b)
{
static int i=0;
int c=0;
for(int k=b; k>=1; k--)
{
if(a%k==0 && b%k==0)
{
/* if (c==i)
{
i++;
return k;
}
c++;*/
return k;
}
}
return -1;
}
int main()
{
int sub;
while ((sub = CommonFactors(100, 50)) > 0)
{
static int counter = 1;
printf("Common factor %d is %d\n", counter++, sub);
}
return 0;