Prefacto - Prime Numbers
Harness the power of 20-digit prime generation, lightning-fast factorization, and hardware speed tests in a lightweight, offline-first app designed for STEM students and tech power users.
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1Discover the interface used by 1K+ users.
The tools that make this app stand out, trusted by 1K+ users.
Put your processor to the test by racing through calculations up to 100 million to see how your device stacks up against the competition.
Handle the largest numbers on the App Store with instant prime factorization and custom prime generation up to 20 digits.
A lightweight, sub-1MB powerhouse that works 100% offline, making it the perfect tool for classrooms, commutes, and secure environments.
Trusted by 1K+ people who love this app.
"Prefacto is the perfect companion for my Number Theory class. The prime factorization is nearly instant, and since it works completely offline, I can use it anywhere on campus without worrying about a data connection or distracting ads."
"Finally, a math tool that respects my storage space! It is under 1MB but packs more power than any other calculator I have used. The speed test feature is a brilliant way to see how my phone chip actually performs under heavy calculation loads."
Everything you need to know about Prefacto - Prime Numbers.
Description
Latest Version
8.22
Size
0.9 MB
First Released
Aug 1, 2018
Join thousands of STEM students and tech enthusiasts using the most powerful prime number toolkit on iOS. Lightweight, offline, and lightning fast—download Prefacto today.
Everything you need to know about Prefacto - Prime Numbers
Prefacto is an app dedicated to prime numbers. It provides comprehensive tools for prime verification, listing, factorization, and generation of custom random primes.
Prefacto verifies if any number is prime using the "Check" feature. Users input a number, and the app instantly displays whether it is prime.
Yes, Prefacto generates a list of prime numbers within any specified range. The app displays the count of primes found in that range.
Yes, Prefacto performs prime factorization. It efficiently breaks down any given number into its prime factors, listing them clearly for the user.
Prefacto generates custom random prime numbers by allowing users to specify the number of digits. It supports generation up to 20-digit random primes.
Yes, Prefacto offers full functionality without needing an internet connection. All prime number tools are accessible offline.
Yes, Prefacto provides fast calculations and instant results for prime number operations. The app prioritizes speed and efficiency.
Prefacto processes the highest numbers compared to other apps. It utilizes advanced algorithms for extensive prime number calculations and operations.
Yes, Prefacto includes a speed test. This feature allows users to race up to 100 million to determine phone speed among friends.
Yes, Prefacto allows users to save or share their findings. This functionality is available for various calculation results within the app.
Prefacto's home screen provides access to Check, List, Next, Previous, Factorize, and Randomize features for comprehensive prime number exploration.
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