virajpurang3

class PrimeRun implements Runnable {
   long minPrime;
   PrimeRun(long minPrime) {
       this.minPrime = minPrime;
   }

   public void run() {
       // compute primes larger than minPrime
   }
}

virajpurang3

class PrimeThread extends Thread {
  long minPrime;
  PrimeThread(long minPrime) {
      this.minPrime = minPrime;
  }

  public void run() {
     // compute primes larger than minPrime
  }
}