---
title: 'Random Numbers: Are they?'
description: 'Learn how they are generated and why they may not be truly random.'
authorId: 'kamran'
seo:
  title: 'Random Numbers: Are they? - roadmap.sh'
  description: 'Learn how they are generated and why they may not be truly random.'
isNew: false
type: 'visual'
date: 2021-03-14
sitemap:
  priority: 0.7
  changefreq: 'weekly'
tags:
  - 'guide'
  - 'visual-guide'
  - 'guide-sitemap'
---

Random numbers are everywhere from computer games to lottery systems, graphics software, statistical sampling, computer simulation and cryptography. Graphic below is a quick explanation to how the random numbers are generated and why they may not be truly random.

[![Random Numbers](/guides/random-numbers.png)](/guides/random-numbers.png)