C Programs
| Program to find whether given no is a prime no or not. |
#include<stdio.h>
#include<conio.h>
void main()
{
int i,n,r=0;
clrscr();
printf("Enter any no: ");
scanf("%d",&n);
for(i=2;i<=n-1;i++)
{
if(n%i==0)
r=1;
break;
}
if(r==0)
printf("prime no");
else
printf("Not prime");
getch();
}
| Output: |
Enter any no: 16
Not prime
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