Prefacto - Prime Numbers
Prefacto - Prime Numbers is made and published by Daniel Springer. AppBrain is an independent app data site and isn't affiliated with Daniel Springer. The app name, icon, screenshots and description belong to Daniel Springer and are shown as published on the App Store.
AppBrain's verdict
Established- Rating on App Store
- 4.68
- 19 ratings
- Last updated
- September 16, 2026
- Size
- 896.0 KB
It doesn't have enough ratings yet to judge what users think.
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Store listing
By Daniel Springer, from the App Store
Description by Daniel Springer Written by the developer, not by AppBrain. Click to read.
Prefacto is your go-to app for everything related to prime numbers. Whether you're a math enthusiast, a student, or just curious, this app provides a comprehensive set of tools—all without requiring an internet connection.
FEATURES:
- PRIME NUMBER VERIFICATION: Instantly check if any number is prime.
- PRIME RANGE LISTING: Generate a list of prime numbers within any specified range.
- PRIME FACTORIZATION: Break down any number into its prime factors quickly and efficiently.
- GENERATE CUSTOM RANDOM PRIME NUMBERS: Create random prime numbers with customizable digits, up to 20 digits.
- SPEED TEST: Find out which phone is the fastest between your friends by racing up to 100 million.
- SAVE & SHARE RESULTS: Easily save or share your findings with others.
WHY PREFACTO?
- OFFLINE FUNCTIONALITY: Enjoy full functionality without needing an internet connection.
- LIGHTWEIGHT: Designed to be efficient and avoid taking up significant storage space on your device.
- SPEED: Experience fast calculations and instant results.
- MAXIMUM POWER: Check the **highest** numbers of **any** other app, thanks to advanced algorithms.
Dive into the fascinating world of prime numbers with Prefacto. Download now and start exploring!
Safety and technology
Found in the app by AppBrain- Price
- $4.99
- App size
- 896.0 KB
- Content rating
- Everyone
Technologies used by Prefacto - Prime Numbers
Releases
Updates seen on the App Store- Version
- 9.0
- Launched
- August 2018
No changelog data
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About the app and developer
About Prefacto - Prime Numbers
Prefacto - Prime Numbers is a reference app developed by Daniel Springer.
User Ratings
Prefacto - Prime Numbers is rated 4.68 out of 5 stars. The rating is based on 19 ratings.
App Information
Prefacto - Prime Numbers costs $4.99. The app size is 896.00 kB. The latest version available is 9.0. The last update was on September 16, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since August 2018.
Developer information for Daniel Springer
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