# Is This Prime Number?

> Choose whether the number that came out is a prime number, or not.

Canonical page: [https://chrome-stats.com/d/com.PureWater.IsThisPrimeNumber](https://chrome-stats.com/d/com.PureWater.IsThisPrimeNumber)

## Overview

- **ID:** `com.PureWater.IsThisPrimeNumber`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** LinQ
- **Category:** EDUCATION
- **Downloads:** 1,377
- **Version:** 1.01
- **Last updated:** 2016-09-17
- **First published:** 2013-10-29
- **Publisher country:** JP
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.PureWater.IsThisPrimeNumber)
- **Privacy policy:** [https://purewater-app.github.io/](https://purewater-app.github.io/)

## Description

'Is This Prime Number?' is an engaging Android app that challenges your knowledge of prime numbers. Players must quickly decide if a number displayed is prime or not by pressing the 'YES' or 'NO' buttons, all within 5 seconds. As you answer correctly, the difficulty increases, presenting more complex prime numbers. With rewards for correct answers, it offers a fun way to enhance your math skills while providing a thrilling brain training experience.

## Rankings

- #1,061,396 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.PureWater.IsThisPrimeNumber)