to print all prime numbers till n

#include <stdio.h>
main()
{
int n,i=1,j,c;
clrscr();
printf("Enter Number Of Terms");
scanf("%d",&n);
printf("Prime Numbers Are Follwing");
while(i<=n)
{
c=0;
for(j=1;j<=i;j++)
{
if(i%j==0)
c++;
}
if(c==2)
printf("%d\t",i);
i++;
}
getch();
}