# GCF & LCM Calculator++ — GCF & LCM Calculator > Calculates Greatest Common Factor and Least Common Multiple for multiple integers. (iPhone/iPad app by Dai Tran.) - Source: https://appshunter.io/ios/app/gcf-and-lcm-calculator-plus-plus/id1291224425 (this page in markdown: same URL + `.md`) - Developer: [Dai Tran](https://appshunter.io/developer/1283175238) - Category: Utilities, Productivity - Price: Free with in-app purchases - Rating: 2.80/5 from 11 App Store ratings · 29 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 23 MB - Languages: American English - Released: 2017-10-02 - Data updated: 2026-06-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/gcf-and-lcm-calculator-plus-plus/id1291224425/reviews.md ## What is GCF & LCM Calculator++? GCF & LCM Calculator+ is a convenient tool which helps you calculate Greatest Common Factor and Least Common Multiple between two or many numbers (up to 30 numbers). - Features: + Lightweight and works fast. + Nice and modern interface, allow to choose light theme or dark theme. + Simple and easy to use. - Instruction: just type the integers separated by spaces or commas then the result will appear simultaneously. Wish it would help your work! GCF & LCM Calculator - Developed by Dai Tran. ## Key features - Calculate GCF and LCM - Supports multiple numbers (up to 30) - Lightweight and fast performance - Modern interface with light/dark themes - Simple and easy to use - Instant results ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | GCF & LCM Calculator | $0.99 | one-time | ## Recent user reviews (10 of 29) All indexed reviews: https://appshunter.io/ios/app/gcf-and-lcm-calculator-plus-plus/id1291224425/reviews.md ### 1/5 — Waste *2021-07-18* App crashes on iPhone 7. ### 1/5 — Keeps glitching me out *2021-07-16* Every time I exit the app it logs me out, that is seriously time consuming, and getting on my nerves. Deleting now…. ### 3/5 — It’s ok *2021-05-03* The app itself works perfectly and it would be a 5 star if it didn’t have ads every 5 seconds. ### 5/5 — Literally all you need *2021-01-22* Literally you just put in a set and of numbers and it instantly gives you the GCF and LCM of all of them. Perfectly simple ### 3/5 — List all the factors and it would be 5 starts *2020-10-24* I want to use this for my son to check his work. So I would like for him to be able to see if he got all the factors correct. This would be a five start app if it listed all the factors for each number. **Developer response:** Hi Burgess We're so happy when you use our app for your work. As requested, we introduce the new functionality that helps you to calculator factors more easier. Please update to the latest version and enjoy the new feature. Thank you for supporting us. ### 5/5 — It works now *2020-10-01* The other reviews that say it doesn’t work are outdated, they fixed it and it works now, you can input spaces and commas. ### 1/5 — Impossibile da usare *2020-05-19* Non si capisce niente e non si riescono a fare i calcoli **Developer response:** We’re sorry for the problem that you’re encountering with our app. As far as we know, the problem was fixed in the latest version so please check it out. If you have any question please contact us by hitting the “App Support” or writing some reviews. Thanks for your feedback! ### 1/5 — Worst app ever *2020-05-04* Every time I use it gives me the same results.It also does not let you do spaces.And it doesn’t even teach.It is completely useless. **Developer response:** We’re sorry for the problem that you’re encountering with our app. As far as we know, the problem was fixed in the latest version so please check it out. If you have any question please contact us by hitting the “App Support” or writing some reviews. Thanks for your feedback! ### 5/5 — Parfait *2020-05-03* L’app et propre et efficace. Rien à redire. ### 1/5 — Bad app on the developers part *2020-04-17* Says to space but, we can’t even space. **Developer response:** We’re sorry for the problem that you’re encountering with our app. As far as we know, the problem was fixed in the latest version so please check it out. If you have any question please contact us by hitting the “App Support” or writing some reviews. Thanks for your feedback! ## Frequently asked questions about GCF & LCM Calculator++ ### What does GCF & LCM Calculator++ do? This app is a tool designed to calculate the Greatest Common Factor (GCF) and the Least Common Multiple (LCM) for a set of numbers. It can handle calculations for two or many numbers, up to a limit of 30 integers. ### How do I use the GCF & LCM Calculator++? Using the app is straightforward. Simply type the integers you want to calculate the GCF and LCM for, separated by spaces or commas. The results will appear simultaneously as you input the numbers. ### Is GCF & LCM Calculator++ free to use? The app is free to download and use. It does offer in-app purchases and may display advertisements, which are common monetization strategies for free utility applications. ### What kind of numbers can I input? The app is designed to work with integers. You can input whole numbers separated by spaces or commas to perform GCF and LCM calculations. It supports up to 30 numbers in a single calculation. ### What are the main features of this app? Key features include its lightweight design for fast performance, a modern and user-friendly interface with options for light and dark themes, and the ability to calculate GCF and LCM for multiple numbers simultaneously with instant results. ## Version history (last 5 releases) ### 1.0.7 — 2020-12-27 The new version brings you something new: • Now you're able to calculate factors of a number right in the app. • Optimize the app size. ### 1.0.6 — 2020-08-16 Fix not be able to input spaces or commas. ### 1.0.5 — 2020-08-07 Optimize app size Implement darkmode ### 1.0.4 — 2019-04-15 Optimize for iOS 12.2. Support iPhone Xs Max. ### 1.0.3 — 2017-11-04 - Support some new languages. ## More apps by Dai Tran - [ASCII Converter++](https://appshunter.io/ios/app/ascii-converter-plus-plus/id1286627577) - [Base Converter++](https://appshunter.io/ios/app/base-converter-plus-plus/id1290607683) - [Hash Generator++](https://appshunter.io/ios/app/hash-generator-plus-plus/id1292530592) - [Color Converter++](https://appshunter.io/ios/app/color-converter-plus-plus/id1300478165) - [Date Calculator++](https://appshunter.io/ios/app/date-calculator-plus-plus/id1381419764) All apps by Dai Tran: https://appshunter.io/developer/1283175238 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*