Prime Numbers Explained

This video explains what prime numbers are and how to find out if a number is a prime or not. Practice questions are at the end of the video. For a refresher on factors see our video: https://youtu.be/4EkhaETrcnY Skip to: 00:00 Introduction 00:22 What is a prime number 01:32 Is the number one a prime number? 01:55 How to check if a number is a prime 03:13 The first twenty prime numbers 03:41 Practice questions Educational maths help videos to learn mathematics for school, exams or just general life. New videos added weekly. LIKE AND SUBSCRIBE Below are some links to products we recommend: Casio Scientific Calculator Black: https://amzn.to/3E4FBRF Casio Scientific Calculator Blue: https://amzn.to/2Zb5twk Casio Scientific Calculator Pink: https://amzn.to/3lWdHBf An excellent book if you're teaching mathematics or helping your children: The Elephant in the Classroom by Jo Boaler: https://amzn.to/3vwzra4 Linking rods can be used for a variety of topics: https://amzn.to/3vuZnD7 Follow us: Instagram: https://www.instagram.com/minitymaths/ Twitter: https://twitter.com/MinityMaths Facebook: https://www.facebook.com/minitymaths #maths #math #mathematics #learnmath #mathhelp #mathsteachingresources #GCSE With thanks to Mixkit for sound effects and/or music https://mixkit.co/