Prefacto - Prime Numbers Download from App Store
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Prefacto - Prime Numbers app for iPhone and iPad


4.4 ( 944 ratings )
Utilities Reference
Developer: Daniel Springer
0.99 USD
Current version: 7.50, last update: 6 months ago
First release : 01 Aug 2018
App size: 1.42 Mb

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. All quickly and fully offline, without taking up too much of your phones precious storage memory.