Prefacto - Prime Numbers

Check. List. Factor. Offline.

$4.99 · Designed for iPad

Discover the power of prime numbers with Prefacto! 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!

  • 4.7
    out of 5
    19 Ratings

Minor improvements

The developer, Daniel Springer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • VoiceOver

      • Voice Control

      • Larger Text

      • Dark Interface

      • Reduced Motion

    • Seller
      • Daniel Springer
    • Size
      • 913.4 KB
    • Category
      • Reference
    • Compatibility
      Requires iOS 15.0 or later.
      • iPhone
        Requires iOS 15.0 or later.
      • iPad
        Requires iPadOS 15.0 or later.
      • iPod touch
        Requires iOS 15.0 or later.
      • Mac
        Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2025 Daniel Springer