#include<stdio.h>
main() 
{
int range1,range2,change,i,j,flag;
printf(" \n\n Enter the range 1 : ");
scanf("%d",&range1);
printf("\n Enter the range 2 : ");
scanf("%d",&range2);
if(range1>range2)
{
change=range1;
range1=range2;
range2=change;
}	//if user enter the higher range first.
if(range1==1)
range1++;	//because 1 is not a prime number.
printf("\n\n The prime numbers between %d and %d are : ",range1,range2); while(range1<=range2)
{
i=range1;
flag=0;
for(j=2;j<=(i-1);j++)
{
if(i%j==0)
flag=flag+1;
}
if(flag==0)
printf(" %d",i);
range1++;
}
return 0;
}