Prefacto Downloads & RevenuePrefacto - Prime Numbers · App Store
Not in any tracked top chart right now.
Updated 3 Nov 2026 · rankings refresh through the day
9 Oct 2026Prefacto - Prime Numbers update history & changes
Last change · 5 events since 31 Jul 2018Full timeline ↓Full timeline · 5 events
- 📈Prefacto - Prime Numbers dropped out of every chart we trackLast seen 12 Oct
- 🆕Prefacto - Prime Numbers first spotted by AppInsider#1 in Top Paid · Reference · Italy
- 📈Prefacto - Prime Numbers hit #1Top Paid · Reference · IT
- 📦Prefacto - Prime Numbers version 9.0Updated for iOS 27
- 🆕Prefacto - Prime Numbers released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Prefacto - Prime Numbers at a glance
AI summary written from our chart and store data, 2026-10-09. It can be wrong: check the numbers above.
Prefacto is an offline reference tool for students and math enthusiasts that performs prime number verification, factorization, and generation. The app currently holds the #1 position in the Italian paid Reference category despite having only two user ratings.
Similar apps: Prime Number Calculator, Math Tools, Factorize
Prefacto - Prime Numbers on the App Store
App details
Prefacto - Prime Numbers downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Active users
All platforms, worldwide. Free with an account.
How this is calculated
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
What users say about Prefacto - Prime Numbers
From recent reviews.
About Prefacto - Prime Numbers
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!
