Merge pull request #1945 from Prabsimar-singh/patch-2

SolutionByPrabsimar.cpp

Author: shoaibrayeen

Basic/Check if A Number is Prime or Not/SolutionByPrabsimar.cpp

@@ -0,0 +1,25 @@
+//PRIME OR NOT
+
+#include <cmath>
+#include <iostream>
+using namespace std;
+int main(int argc, char const* argv[])
+{
+    int n;
+    cout << "Enter a number: "<<endl;
+    cin >> n;
+    if (n <= 0) {
+        cout << "Kindly Enter Natural Numbers"<<endl;
+    } else if (n == 1) {
+        cout << "1 is neither Prime nor Composite"<<endl;
+    } else {
+        for (int i = 2; i <= sqrt(n); i++) {
+            if (n % i == 0) {
+                cout << n << " is not a prime Number";
+                exit(0);
+            }
+        }
+        cout << n << " is a prime Number"<<endl;
+    }
+    return 0;
+}