title: Primality Test Set 1 Introduction And School Method 1
signature: func primalityTestSet1IntroductionAndSchoolMethod1(n int) bool {
test_code: package main
  
  import (
      "fmt"
      "reflect"
      "math"
      "sort"
  )
  
  // SOLUTION CODE
  // ===================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE
  // ===================================
  func validateSolution(actual bool, expected bool) bool {
      return reflect.DeepEqual(actual,expected)
  }
  
  func driver(n int, expected bool) string {
      if validateSolution(PLACEHOLDER_FN_NAME(n),expected) {
              return "PASSED"
      }
      return "FAILED"
  
  }
  
  func main() {
  
      // Use imports to avoid undefined errors
      var _ = reflect.DeepEqual
      _ = math.Abs
      _ = sort.Sort
      result := ""
      result = driver(15, false)
      fmt.Printf("TEST-0...%s\n", result)
      
      result = driver(90, false)
      fmt.Printf("TEST-1...%s\n", result)
      
      result = driver(38, false)
      fmt.Printf("TEST-2...%s\n", result)
      
      result = driver(65, false)
      fmt.Printf("TEST-3...%s\n", result)
      
      result = driver(91, false)
      fmt.Printf("TEST-4...%s\n", result)
      
      result = driver(16, false)
      fmt.Printf("TEST-5...%s\n", result)
      
      result = driver(48, false)
      fmt.Printf("TEST-6...%s\n", result)
      
      result = driver(74, false)
      fmt.Printf("TEST-7...%s\n", result)
      
      result = driver(14, false)
      fmt.Printf("TEST-8...%s\n", result)
      
      result = driver(47, true)
      fmt.Printf("TEST-9...%s\n", result)
      
          
  }
source_py: def primality_test_set_1_introduction_and_school_method_1(n):
      if (n <= 1):
          return False
      if (n <= 3):
          return True
      if (((n % 2) == 0) or ((n % 3) == 0)):
          return False
      i = 5
      while ((i * i) <= n):
          if (((n % i) == 0) or ((n % (i + 2)) == 0)):
              return False
          i = (i + 6)
      return True
source_cpp: bool primality_test_set_1_introduction_and_school_method_1(int n) {
    if ( n <= 1 ) return false;
    if ( n <= 3 ) return true;
    if ( n % 2 == 0 || n % 3 == 0 ) return false;
    for ( int i = 5;
    i * i <= n;
    i = i + 6 ) if ( n % i == 0 || n % ( i + 2 ) == 0 ) return false;
    return true;
  }