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

Features

• find all prime number upto n.
• find all prime number from m to n. // comming soon
• find number of prime upto n.
• find number of prime from m to n.
• find a number is Prime or not.
• Can be used in command line as well.
• Runs on any JavaScript engine.
• Is easily extensible.
• Open source.

Usage

primeupto can be used in both node.js and in the browser.

Install primeupto using npm:

npm install primeupto

const {primeupto,primelength,isPrime} = require('primeupto');

console.log(primeupto(5));     // 2,3,5
console.log(primelength(5));   // 3
console.log(isPrime(5));       // true
console.log(primeupto(34));    // 2,3,5,7,11,13,17,19,23,29,31
console.log(primelength(34));  // 11
console.log(isPrime(34));      // false
console.log(primeupto(25));    // 2,3,5,7,11,13,17,19,23
console.log(primelength(25));  // 9
console.log(isPrime(25));      // false
console.log(primeupto(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

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/primeupto.git
cd primeupto

License

MIT, Copyright (C) 2020