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thaw-sieve-of-eratosthenes

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The Sieve of Eratosthenes (an ancient Greek prime number generator) as a JavaScript library

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# thaw-sieve-of-eratosthenes A JavaScript implementation of the Sieve of Eratosthenes, an ancient Greek prime number generator. [![Build Status](https://secure.travis-ci.org/tom-weatherhead/thaw-sieve-of-eratosthenes.svg)](https://travis-ci.org/tom-weatherhead/thaw-sieve-of-eratosthenes) [![npm](https://img.shields.io/npm/v/thaw-sieve-of-eratosthenes.svg)](https://www.npmjs.com/package/thaw-sieve-of-eratosthenes) [![npm](https://img.shields.io/npm/dt/thaw-sieve-of-eratosthenes.svg)](https://www.npmjs.com/package/thaw-sieve-of-eratosthenes) [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/tom-weatherhead/thaw-sieve-of-eratosthenes/blob/master/LICENSE) [![Maintainability](https://api.codeclimate.com/v1/badges/31ef39e48b94a175434a/maintainability)](https://codeclimate.com/github/tom-weatherhead/thaw-sieve-of-eratosthenes/maintainability) [![Known Vulnerabilities](https://snyk.io/test/github/tom-weatherhead/thaw-sieve-of-eratosthenes/badge.svg?targetFile=package.json&package-lock.json)](https://snyk.io/test/github/tom-weatherhead/thaw-sieve-of-eratosthenes?targetFile=package.json&package-lock.json) Most of this project's infrastructure was stolen from Jason Mulligan's ([avoidwork](https://github.com/avoidwork)'s) [tiny-graph](http://avoidwork.github.io/tiny-graph) project. ## Installation To install the stable version: ``` npm install --save thaw-sieve-of-eratosthenes ``` ## Example ```js const engine = require('thaw-sieve-of-eratosthenes'); console.log(engine.sieve(20)); // [2, 3, 5, 7, 11, 13, 17, 19] console.log(engine.factorize(72)); // [2, 2, 2, 3, 3] ``` ## API #### factorize(n) Returns the unique prime factorization of `n` as a list of integers #### sieve(n) Returns the list of all prime numbers less than `n` ## License [MIT](https://choosealicense.com/licenses/mit/)