Thursday, January 6, 2011

Program to find a Prime numbers in C Programming

Coding:

#include<stdio.h>
#include<conio.h>
void main()
{
int n,i,j=0;
clrscr();
printf("\nEnter the number:");
scanf("%d",&n);

// *LOGIC*
for(i=1;i<=n;i++)
{
if(n%i==0)
j++;
}

if(j==2)
{
printf("\nEntered Number");
textcolor(YELLOW);
cprintf("%2d" ,n);
printf("is Prime");
}
else
{
printf("\nEntered Number");
textcolor(YELLOW);
cprintf("%2d",n);
printf(" is not a Prime",n);
}
getch();
}

Output: 








No comments: