program in C to generate prime number.

W.A.P in C to generate prime number.

#include<stdio.h>

#include<conio.h>

void main()

{

int num,n,i=2;

clrscr();

printf("\n\t\t\t PRIME NUMBERS\n");

printf("\n\nEnter last no. till you want prime number:- ");

scanf("%d",&n);

printf("\nPrimes no are:\n ");

for(num=1;num<=n;num++)

{

for(i=2;i<num;i++)

{

if(num%i==0)

break;

}

if(num==i)

{

printf("%-4d",num);

}

}

getch();

}

output:

PRIME NUMBERS

Enter last no. till you want prime number:- 100

Primes no are:

 2   3   5   7   11  13  17  19  23  29  31  37  41  43  47  53  59  61  67  71

 73  79  83  89  97