1. This app allows you to check whether a number is prime, list the primes in a range, decompose a number to its prime factors, share or save the results, and more.
2. All quickly and fully offline, without taking up too much of your phone's precious storage memory.
3. Liked Prefacto? here are 5 Reference apps like Prime Dictionary E-K/K-E; Prime Rhyme; Prime Dictionary J-K/K-J; Bible;
GET Compatible PC App
App |
Download |
Rating |
Maker |
Prefacto |
Get App ↲ |
20 4.70 |
Daniel Springer |
Or follow the guide below to use on PC:
Select Windows version:
- Windows 10
- Windows 11
Install Prefacto - Prime Numbers app on your Windows in 4 steps below:
- Download an Android emulator for PC:
Get either Bluestacks or the Nox App >> . We recommend Bluestacks because you can easily find solutions online if you run into problems while using it. Download Bluestacks PC software Here >> .
- Install the emulator:
On your computer, goto the Downloads folder » click to install Bluestacks.exe or Nox.exe » Accept the License Agreements » Follow the on-screen prompts to complete installation.
- Using Prefacto on PC [Windows 10/ 11]:
- Open the Emulator app you installed » goto its search bar and search "Prefacto"
- The search will reveal the Prefacto - Prime Numbers app icon. Open, then click "Install".
- Once Prefacto is downloaded inside the emulator, locate/click the "All apps" icon to access a page containing all your installed applications including Prefacto.
- Now enjoy Prefacto on PC.
Download a Compatible APK for PC
Download |
Developer |
Rating |
Current version |
Get APK for PC → |
Daniel Springer |
4.70 |
8.2 |
For Windows 11, check if there's a native Prefacto Windows app here » ». If none, follow the steps below:
- To get started, Download the OpenPC software »
- Upon installation, open OpenPC app » goto "Playstore on PC" » click "Configure_Download" button. This will auto-download and install PlayStore on your computer.
- To use Prefacto,
- Login to the PlayStore we just installed
- Search for "Prefacto" » then Click "Install".
- Prefacto - Prime Numbers will now be available on your Windows start-menu.
Minimum requirements |
Recommended |
- 8GB RAM
- SSD Storage
- Processor: Intel Core i3, AMD Ryzen 3000
- Architecture: x64 or ARM64
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Get Prefacto on Apple macOS