From 244c126164163cd4ad98dcd914e4df6ab887743d Mon Sep 17 00:00:00 2001 From: Sundram_Kumar Date: Fri, 24 Oct 2025 08:55:35 +0530 Subject: [PATCH] Add Prime number checker --- Prime_Number_checker.cpp | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Prime_Number_checker.cpp diff --git a/Prime_Number_checker.cpp b/Prime_Number_checker.cpp new file mode 100644 index 0000000..472421c --- /dev/null +++ b/Prime_Number_checker.cpp @@ -0,0 +1,27 @@ +#include +#include +using namespace std; + +// Function to check if a number is prime +bool isPrime(int n) { + if (n <= 1) + return false; + for (int i = 2; i <= sqrt(n); i++) { + if (n % i == 0) + return false; + } + return true; +} + +int main() { + int num; + cout << "Enter a number: "; + cin >> num; + + if (isPrime(num)) + cout << num << " is a prime number." << endl; + else + cout << num << " is not a prime number." << endl; + + return 0; +}