# Prefacto - Prime Numbers

> Check. List. Factor. Offline.

Canonical page: [https://chrome-stats.com/d/id1402417667](https://chrome-stats.com/d/id1402417667)

## Overview

- **ID:** `id1402417667`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Daniel Springer
- **Category:** Reference
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 8.22
- **Last updated:** 2026-01-08
- **First published:** 2018-08-01
- **Size:** 892 KB
- **Data as of:** 2026-09-04
- **Store listing:** [Apple App Store](https://apps.apple.com/se/app/prefacto-prime-numbers/id1402417667?l=en-GB)
- **Privacy policy:** [https://docs.google.com/document/d/e/2PACX-1vRxJktG0Ov\_sfp88yB3NmbP8lPivP78j77n6IbXEJaLjCZwos18L9PF3luUJbw5ZCKsafK4oJNjB27G/pub](https://docs.google.com/document/d/e/2PACX-1vRxJktG0Ov_sfp88yB3NmbP8lPivP78j77n6IbXEJaLjCZwos18L9PF3luUJbw5ZCKsafK4oJNjB27G/pub)

## Description

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!

## Rankings

- #966,180 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1402417667)