From 381994141643f83fff5e66195ea4a2569b58cb26 Mon Sep 17 00:00:00 2001 From: manikonda-anjali Date: Thu, 30 Oct 2025 16:12:08 +0530 Subject: [PATCH] Add PrimeCheck algorithm in Java --- add-primecheck-algorithm | 0 .../com/thealgorithms/math/PrimeCheck.java | 19 +++++++++++++++++++ 2 files changed, 19 insertions(+) create mode 100644 add-primecheck-algorithm create mode 100644 src/main/java/com/thealgorithms/math/PrimeCheck.java diff --git a/add-primecheck-algorithm b/add-primecheck-algorithm new file mode 100644 index 000000000000..e69de29bb2d1 diff --git a/src/main/java/com/thealgorithms/math/PrimeCheck.java b/src/main/java/com/thealgorithms/math/PrimeCheck.java new file mode 100644 index 000000000000..94afa08d0bea --- /dev/null +++ b/src/main/java/com/thealgorithms/math/PrimeCheck.java @@ -0,0 +1,19 @@ +package com.thealgorithms.math; + +public class PrimeCheck { + public static boolean isPrime(int n) { + if (n <= 1) return false; + for (int i = 2; i <= Math.sqrt(n); i++) { + if (n % i == 0) return false; + } + return true; + } + + public static void main(String[] args) { + int num = 7; + if (isPrime(num)) + System.out.println(num + " is a prime number."); + else + System.out.println(num + " is not a prime number."); + } +}