# Prime Factorization-free brain training game

> A free brain training game for number factorization. (iPhone/iPad app by NAKAYUBI CORPORATION.)

- Source: https://appshunter.io/ios/app/prime-factorization-free-brain-training-game/id1062168263 (this page in markdown: same URL + `.md`)
- Developer: [NAKAYUBI CORPORATION](https://appshunter.io/developer/826300169)
- Category: Games, Entertainment, Trivia
- Price: Free
- Rating: 2.50/5 from 4 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 7.1 · 22 MB
- Languages: English, Japanese
- Released: 2015-12-05
- Data updated: 2026-06-09
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/prime-factorization-free-brain-training-game/id1062168263/reviews.md

## What is Prime Factorization?

This app is "Brain training game".

How to play is simple,divide the number displayed.
Make the number to be "1".

director App Kaihatsu Man
music 魔王魂
Coding：アプリ開発マン

## Key features

- Number factorization gameplay
- Objective: reduce number to 1
- Brain training exercises
- Simple mechanics

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/prime-factorization-free-brain-training-game/id1062168263/reviews.md

### 5/5 — Good game

*2024-07-19*

A good game for quick thinking math skills

### 3/5 — Crash

*2018-07-11*

App crashes every third game

### 4/5 — Prime Factorization

*2016-05-15*

A fun Math App!  Great for practicing Prime Factorization!

## Frequently asked questions about Prime Factorization

### What is the objective of Prime Factorization?

The objective of Prime Factorization is to divide the displayed number into its prime factors until you reach the number 1. It's a straightforward number manipulation challenge.

### How do you play Prime Factorization?

Playing Prime Factorization is simple: you divide the number displayed on the screen. The goal is to break down the number until it becomes 1.

### Is Prime Factorization free to play?

Yes, Prime Factorization is completely free to download and play. It does not have any in-app purchases or advertisements.

### What devices can I play Prime Factorization on?

Prime Factorization is available on iPhone, iPad, and iPod devices. It is designed for iOS users.

### What is the age rating for Prime Factorization?

Prime Factorization has an age rating of 4+. This indicates it is suitable for children and adults alike.

### How often is Prime Factorization updated?

Prime Factorization was last updated on September 16, 2016. The current version is 1.7, released on September 16, 2016.

### What is the user sentiment for Prime Factorization?

Based on the available data, Prime Factorization has a rating of 2.5 stars from 4 ratings. This suggests a mixed to negative user reception.

### Does Prime Factorization have ads?

No, Prime Factorization does not contain advertisements. It is a completely ad-free experience for players.

## Version history (last 5 releases)

### 1.7 — 2016-09-16

This app has been updated by Apple to display the Apple Watch app icon.

-support iOS10

### 1.6 — 2016-07-15

small bug fix

### 1.5 — 2016-07-08

-bug fix.

### 1.4 — 2016-06-24

-bug fix

### 1.3 — 2016-05-15

-small bug fix.

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| --- | --- | --- | --- |
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All apps by NAKAYUBI CORPORATION: https://appshunter.io/developer/826300169

## Related topics

[prime factoring](https://appshunter.io/ios/topics/prime-factoring) · [prime factorization](https://appshunter.io/ios/topics/prime-factorization)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-09.*