Contoh program java bilangan prima

package com.brainmatic.java.fundamental;

/**
 *
 * @author Student 11
 */
public class BilanganPrima {
    public static void main(String[] args)
    {
        long n = System.currentTimeMillis();
       
        boolean prima = true;
       
        for(long i=2; i< n; i++)
        {
            if(n % i == 0)
            {
                System.out.println("Bukan Bil. Prima");
                prima = false;
                break;
            }
        }
        if(prima == true)
        {
            System.out.println("Bil. Prima");
        }
    }
}

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