# Prime Factorization vs LCM and GCF Calculator

The clearest difference is rating: LCM and GCF Calculator at 5.0 against Prime Factorization's 4.4. Prime Factorization's advantage is update cadence (every 3 months vs every 24 months) and ratings volume (5 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LCM and GCF Calculator holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Prime Factorization has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Prime Factorization ships an update every 3 months, LCM and GCF Calculator every 24 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Prime Factorization | LCM and GCF Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/prime-factorization/id528980227/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lcm-and-gcf-calculator/id1603947924/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 24 months |
| Monetization | Free | Free |
| Size | 2 MB | 27 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sohei Mori](https://appshunter.io/developer/528980270) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### Prime Factorization

[App page](https://appshunter.io/ios/app/prime-factorization/id528980227)

This utility app breaks down integers into their prime factors. It also calculates the number and sum of divisors, lists all divisors, and identifies specific number types like prime, perfect, abundant, or deficient.

**Highlights:** Prime factorization of integers, Calculate number of divisors, Sum of divisors calculation, List all divisors, Identify prime numbers, Identify perfect, abundant, deficient numbers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### LCM and GCF Calculator

[App page](https://appshunter.io/ios/app/lcm-and-gcf-calculator/id1603947924)

This app simplifies mathematical homework by quickly calculating the Least Common Multiple (LCM) and Greatest Common Factor (GCF) of numbers. It supports multiple calculation methods and provides accurate results with an easy-to-use interface.

**Highlights:** Calculate LCM and GCF, Supports three calculation methods, Accurate results, Quick calculations, Lightweight interface, Easy to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prime Factorization free?

Prime Factorization is free to download, with no in-app purchases.

### Is LCM and GCF Calculator free?

LCM and GCF Calculator is free to download, with no in-app purchases.

### Which has better reviews, Prime Factorization or LCM and GCF Calculator?

LCM and GCF Calculator is rated higher. Prime Factorization averages 4.4 out of 5 from 5 ratings, while LCM and GCF Calculator averages 5.0 from 1 ratings.

### Do Prime Factorization or LCM and GCF Calculator have ads?

Neither Prime Factorization nor LCM and GCF Calculator shows ads.

### Which is updated more often, Prime Factorization or LCM and GCF Calculator?

Prime Factorization ships an update every 3 months, and LCM and GCF Calculator every 24 months. Most recently, Prime Factorization was updated on October 15, 2026 and LCM and GCF Calculator on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*