iPhone, iPod touch, and iPad Apps Search Engine
iPhone Apps Users Community
Advanced search | Example: action games
iPhone apps


  • #: 245282
  • Price: $0.99 In Apple Store
  • Category: Utilities
  • Updated: 2009-05-01
  • Current Version: 2
  • 2
  • Size: 0.10 MB
  • Language: English
  • Seller: Nicholas Westlake
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 2.2.1 or later
  • © 2009 Nic Westlake
  •  Add to Favorite apps



...for when you just need to know.

Don't spend another second wondering if that number is prime. Check it! Primes will give you a lightning quick verdict. If your integer is not prime, peruse the list of prime factors to see what it's really made of.

NEW feature: Up to the Minute Primes! Stay posted about the prime number nearest to your moment in time on every launch.

Stay tuned for more features to meet all of your prime number needs! Useful for students of number theory and anyone who loves prime numbers!

Primes: for when you just need to know.

iPhone Screenshots

Primes iPhone Screenshot 1

Video Reviews

No video review.

Customer reviews

Write a Review

Rated 5/5 based on 3 customer reviews.


5/5 stars

Really useful

Great app. Lets you know whether a number is prime, and even better, it displays a factorization of the number if it is not prime. Works quick and has a very clean interface.

5/5 stars

a nice factoring app!

Excellent for my number theory course, very useful for modular arithmetic!

5/5 stars

I love it!

As a math wizard, I find this program positively sublime! Excellent work!


Ask a question

Be the first question this app.

Users Community

+ Connect to community

The information may be outdated (2011-05-02 23:44:04). For actual information go to iTunes

Mobile Version
iApps4you.com - is iPhone, iPod touch, and iPad apps search engine and not been authorized, sponsored or approved by Apple Inc.
Copyright © 2017 iApps4you.com.
56 ms.