title: Find Largest Prime Factor Number
signature: class Solution {
  
      public Integer findLargestPrimeFactorNumber(Integer n) {
source_py: def find_largest_prime_factor_number(n):
      maxPrime = (- 1)
      while ((n % 2) == 0):
          maxPrime = 2
          n >>= 1
      for i in range(3, (int(math.sqrt(n)) + 1), 2):
          while ((n % i) == 0):
              maxPrime = i
              n = (n / i)
      if (n > 2):
          maxPrime = n
      return int(maxPrime)
source_cpp: long long find_largest_prime_factor_number(long long n) {
    long long maxPrime = - 1;
    while ( n % 2 == 0 ) {
      maxPrime = 2;
      n >>= 1;
    }
    for ( int i = 3;
    i <= sqrt ( n );
    i += 2 ) {
      while ( n % i == 0 ) {
        maxPrime = i;
        n = n / i;
      }
    }
    if ( n > 2 ) maxPrime = n;
    return maxPrime;
  }
question_info.extension: java
question_info.entry_fn_name: findLargestPrimeFactorNumber
question_info.entry_cls_name: Solution
question_info.test_list: [{"idx": 0, "outputs": 7, "inputs": {"n": 98}}, {"idx": 1, "outputs": 2, "inputs": {"n": 8}}, {"idx": 2, "outputs": 13, "inputs": {"n": 78}}, {"idx": 3, "outputs": 13, "inputs": {"n": 65}}, {"idx": 4, "outputs": 11, "inputs": {"n": 55}}, {"idx": 5, "outputs": 5, "inputs": {"n": 10}}, {"idx": 6, "outputs": 5, "inputs": {"n": 10}}, {"idx": 7, "outputs": 37, "inputs": {"n": 37}}, {"idx": 8, "outputs": 13, "inputs": {"n": 39}}, {"idx": 9, "outputs": 5, "inputs": {"n": 15}}]
question_info.test_code: import static java.util.Map.entry;  
  import java.util.*;
  import java.lang.*;
  // TESTING CODE 
  // ============================================
  class QuestionEvaluator {
      public static String validateSolution(Integer n, Integer expected){
          try{
              Driver driver = new Driver();
              if (driver.run(n,expected)){
                  return "PASSED";
              }
              return "FAILED";
              
          } catch (Exception exception_obj){
              return exception_obj.getClass().getSimpleName();
          }
  
      }
      public static void main(String[] args) {
          String result;
          result = validateSolution(98, 7);
          System.out.println(String.format("%s%s","TEST-0...",result));    
      
          result = validateSolution(8, 2);
          System.out.println(String.format("%s%s","TEST-1...",result));    
      
          result = validateSolution(78, 13);
          System.out.println(String.format("%s%s","TEST-2...",result));    
      
          result = validateSolution(65, 13);
          System.out.println(String.format("%s%s","TEST-3...",result));    
      
          result = validateSolution(55, 11);
          System.out.println(String.format("%s%s","TEST-4...",result));    
      
          result = validateSolution(10, 5);
          System.out.println(String.format("%s%s","TEST-5...",result));    
      
          result = validateSolution(10, 5);
          System.out.println(String.format("%s%s","TEST-6...",result));    
      
          result = validateSolution(37, 37);
          System.out.println(String.format("%s%s","TEST-7...",result));    
      
          result = validateSolution(39, 13);
          System.out.println(String.format("%s%s","TEST-8...",result));    
      
          result = validateSolution(15, 5);
          System.out.println(String.format("%s%s","TEST-9...",result));    
      
      }
  }
  
  class Driver{
      public boolean run(Integer n, Integer expected){
  
          PLACEHOLDER_CLS_NAME sol = new PLACEHOLDER_CLS_NAME();
          return validateSolution(sol.PLACEHOLDER_FN_NAME(n),expected);
      }
      
      public boolean validateSolution(Integer actual, Integer expected){
          return actual.equals(expected);
      }
  }
  
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
question_info.test_case_ids: 0 1 2 3 4 5 6 7 8 9
question_info.commands: java __FILENAME__