Check for Prime number

Write a C++ program to accept an integer number and test whether it is prime or not.

Author: jhasuraj01

Diff for: identifyPrime.cpp

@@ -0,0 +1,27 @@
+#include <cmath>
+#include <iostream>
+bool identifyPrime(int);
+
+
+int main() {
+	int num;
+	std::cout << "Enter a number: "; std::cin >> num;
+	if (identifyPrime(num))
+		std::cout << std::endl << num << " is a prime number";
+	else
+		std::cout << std::endl << num << " is not a prime number";
+	return 0;
+}
+
+
+bool identifyPrime(int a) {
+	bool isPrime = true;
+	float sqrt_a = sqrt(a);
+	for (int i = 2; i < sqrt_a; i++) {
+		if (a%i == 0) {
+			isPrime = false;
+			break;
+		}
+	}
+	return isPrime;
+}