# Why a Number Is Prime

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram CDF Player or other Wolfram Language products.

Requires a Wolfram Notebook System

Edit on desktop, mobile and cloud with any Wolfram Language product.

Move the slider to see that if is a prime number, squares cannot be arranged into a rectangular array unless the width or length is 1. That is, it is not possible to represent a prime as the product of two integers with .

[more]
Contributed by: Enrique Zeleny (March 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

detailSectionParagraph## Permanent Citation

"Why a Number Is Prime"

http://demonstrations.wolfram.com/WhyANumberIsPrime/

Wolfram Demonstrations Project

Published: March 7 2011