Answer / sowmya

hello Sir,

If you dont mind, could you exlain that above code

Answer / santosh

/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;


/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
static boolean permutablePrime(int n)
{
String str=String.valueOf(n);
int len=str.length();
for(int i=0;i<len;i++)
{
String str1=str.substring(0,i);
String str2=str.substring(i,len);
String str3=str2.concat(str1);
//System.out.println(str3);

if(!isPrime(Integer.parseInt(str3)))
{
return false;
}
}
return true;
}
static boolean isPrime(int n)
{

for(int i=2;i<n/2;i++)
{
if(n%2==0)
{
return false;
}
}
return true;
}
public static void main (String[] args)
{
if(isPrime(193))
{
if(permutablePrime(193))
{
System.out.println("permutable prime");
}
else
System.out.println("Not permutable prime");
}
else
{
System.out.println("Not permutable prime");
}
}
}

Answer / chaskar tejal

#include<stdio.h>
#include<conio.h>
void main()
{
int a;
printf("197 is prime");
if a%2 || a%3||a%5||a%7
getch();
}

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