About

A simple and lightweight JavaScript package to check whether a number is prime. It is easy to use, handles common edge cases, and works well for learning as well as real-world projects. The package is fast, reusable, and can be easily added to any JavaScript or Node.js project using npm.

Features

• Checks whether a number is prime
• Handles edge cases like 0, 1, and negative numbers
• Lightweight and fast
• Easy to integrate into any JavaScript or Node.js project

Installation

npm install @midhun-u/is-prime-number

Usage

    import isPrimeNumber from '@midhun-u/is-prime-number'

    const valueOne = isPrimeNumber(2)
    console.log(valueOne) // true

    const valueTwo = isPrimeNumber(5)
    console.log(valueTwo) // true

    const valueThree = isPrimeNumber(6)
    console.log(valueThree) // false

    const valueFour = isPrimeNumber(10)
    console.log(valueFour) // false

ISC License

Copyright (c) 2025 Midhun

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.