A number which is divided by one and itself is called prime number. For Example

7 is a prime number and

8 is not a prime number

package com.javaproficiency;

public class PrintPrime {

public static void main(String[] args) {

int i =101;

boolean flag = false;

for(int j=2 ; j <= i/2; j++){

if(i%j==0)

{

flag = true ;

break;

}

}

if(flag){

System.out.println(” number “+ i +” is not prime”);

}else{

System.out.println(” number “+ i +” is prime”);

}

}

}

Output :

number 101 is prime

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