50.9. Write a program that displays first n prime numbers.

#include<stdio.h> 
#include<conio.h>
#include<math.h>
void main ()
{
int m,n, i, j,isprime,t,count=0;
clrscr ();

printf("n=");

scanf(%d",&n);

for (i=2; count<n; i++)

{

isprime=1;
t=sqrt(i);
for(j=2;j<=t;j++)
if(i%j==0)
{
isprime==0;
break;
}
if (isprime==1)

{

printf("%d",i);
count++;
}

}
getch();
}