Primality

Name: Primality
Rating: 4.9 (25 reviews)
Author: Bruce Schechter

By: Bruce Schechter App

Integer Primality or Factors

Overview

Version:

1.00

Last updated: 2020-08-02

Ranking

#255,371 ▼ 1,416

Overall

Features & Capabilities

Are you a Prime Number enthusiast? If so, this app is for you, with its simple yet powerful function: Given any integer, determine primality or all prime factors.

The Primality App has a clean and simple, yet powerful, function: Given any integer, the app determines either that the given integer is prime or else it provides all prime factors of that integer. Very clean, very simple, focussed.

The app operates in the range of 0 - 999,999,999,999.

A popular feature of the app is its ability to determine the prime ordinality of each prime found, such as observing that 97 if the 25th prime. (However, this particular feature is available only up to the 100,000th prime, which is 1,299,709.)

Requires iOS 13 or higher.

User Growth & Download Statistics

App

By:

Bruce Schechter

Rating:

4.90

(25)

Version:

1.00 Last updated: 2020-08-02

Version code:

836783001

Creation date:

2020-06-15

Compatible devices:

Size:

1.22MB

URLs:

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-07-23

Compare stats and ranking:

Ranking

# 255,371 ▼ 1,416

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

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Developed by:

Bruce Schechter

Apple Apps Store

https://apps.apple.com/us/app/primality/id1516003672

User Reviews

This is a great app with a streamlined interface to answer the question that comes up surprisingly often in random conversation: is this number a prime? Nice features to answer that question and show the factors if it’s not prime, or tell you which n-th prime number it is. I see a fun car game with the kids in the future!