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Primality Test cpp

Thoughtful Tiger answered on October 1, 2020 Popularity 3/10 Helpfulness 3/10

answer Primality Test cpp

related c++ primality test

Primality Test cpp

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#include <iostream>
using namespace std;
bool isPrimeNumber(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;
}
int main() {
   int n = 341;
   if (isPrimeNumber(n))
      cout<<n<<" is prime Number.";
   else
      cout<<n<<" is not prime Number.";
   return 0;
}

Popularity 3/10 Helpfulness 3/10 Language cpp

Source: www.tutorialspoint.com

Tags: c++ primality-test

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Contributed on Mar 09 2023

Thoughtful Tiger

0 Answers Avg Quality 2/10

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c++ primality test

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#include <iostream>
using namespace std;
bool isPrimeNumber(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;
}

Popularity 6/10 Helpfulness 10/10 Language cpp

Source: www.tutorialspoint.com

Tags: c++ primality-test

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Contributed on Oct 01 2020

Frail Flamingo

0 Answers Avg Quality 2/10

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Primality Test cpp

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