C++ primality test

#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;
}

Source: tutorialspoint.com

Similar codes

0 vote138 views1 answer
C++ restrict template types
C++
0 vote120 views1 answer
Mid of linked list
C++
0 vote116 views1 answer
Oncomponentbeginoverlap ue4 c++
C++
5 votes117 views4 answers
C++ remove whitespace from string
C++
36 votes165 views4 answers
C++ hello world program
C++
26 votes144 views10 answers
Snake
C++
-1 vote114 views2 answers
Delete file cpp
C++
-1 vote124 views4 answers
How to say hello world in c++
C++
14 votes125 views3 answers
Initialising 2d vector
C++
0 vote119 views1 answer
How to get window size sfml
C++