119+ iOS apps & games curated and reviewed
The best prime factors of apps and games on iPhone average 4.3★ across 119+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $0.99 | — | No | No | Sep 2026 | |
| 2 |  | $3.99 | 5.0★ (3) | No | No | Sep 2026 | |
| 3 |  | Free | 5.0★ (3) | No | No | May 2026 | |
| 4 |  | Free | 1.5★ (4) | No | Yes | May 2026 | |
| 5 |  | Free | — | Yes | No | Jul 2026 | |
| 6 |  | $0.99 | — | No | No | Jul 2026 | |
| 7 |  | $0.99 | 3.9★ (24) | No | No | Aug 2026 | |
| 8 |  | Free | — | No | No | Aug 2026 |
This tool helps you find the prime factors of any integer up to 10 digits. It can factor multiple numbers simultaneously and presents results in standard or exponential form. The app also calculates the Greatest Common Factor and Least Common Multiple, storing your calculation history.
This app performs advanced mathematical calculations for numbers, including integer factorization, Euler's totient function, and solving specific Diophantine equations. It utilizes advanced algorithms for factorization and primality testing.
