# Large Numbers Factorization

> App to test primality of numbers and try to factor them

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

## Overview

- **ID:** `com.zagonico.largenumberfactorization`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** zagonico.com
- **Category:** EDUCATION
- **Downloads:** 70
- **Version:** 1.0.3
- **Last updated:** 2025-07-05
- **First published:** 2023-01-06
- **Publisher country:** IT
- **Size:** 8.70 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.zagonico.largenumberfactorization)
- **Website:** [https://www.zagonico.com/android-apps/](https://www.zagonico.com/android-apps/)
- **Privacy policy:** [https://www.zagonico.com/privacy-policy/](https://www.zagonico.com/privacy-policy/)

## Description

This App provides some tools to factor large numbers with your phone. In particular it provides you:<br>- trial division<br>- Pollard&#39;s Rho method<br>- we are implementing Quadratic Sieve that will be available in near future<br><br>You can test strong pseudo-primality of a number and search the next strong pseudo-prime number; we plan to add some deterministic algorithm to check primality of these numbers.<br><br>If you need a number with big factors there is an utility to create it. Results can be shared as text where you prefer.

## Rankings

- #2,117,810 — Overall

## Permissions and access

### Permissions

- `com.android.vending.CHECK_LICENSE`

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