prime-num is an math library for JavaScript and Node.js. It help you to find all prime number.

Features

• find all prime number upto n. [ primes(n) ]

• find all prime number between m to n. [ primebtw(m,n) ]

• find number of prime upto n. [ primelength(n) ]

• find number of prime between m to n. [ primebl(m,n) ]

• find a number n is Prime or not. [ isPrime(n) ]

• Can be used in command line as well.

• Runs on any JavaScript engine.

• Is easily extensible.

• Open source.

Usage

prime-num can be used in both node.js and in the browser.

Install prime-num using npm:

npm install prime-num

const {primes,primelength,isPrime,primebtw,primebl} = require('prime-num');

console.log(primes(25));       // 2,3,5,7,11,13,17,19,23
console.log(primelength(25));  // 9
console.log(isPrime(25));      // false
console.log(primes(53));       // 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53
console.log(primelength(53));  // 16
console.log(isPrime(53));      // true
console.log(primebtw(53,10));  // 11,13,17,19,23,29,31,37,41,43,47,53
console.log(primebl(53,10));   // 12

Run

node index.js

See the Getting Started for a more detailed tutorial.

Documentation

• Getting Started
• Examples
• Overview
• History

Clone the project from github:

git clone https://github.com/letskhabar/prime-num.git
cd prime-num

License

MIT, Copyright (C) 2020