Prime Rush: Math Time Attack
Prime Rush: Math Time Attack is made and published by Ayumu Izumi. AppBrain is an independent app data site and isn't affiliated with Ayumu Izumi. The app name, icon, screenshots and description belong to Ayumu Izumi and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- June 16, 2026
- Size
- 21.3 MB
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Store listing
By Ayumu Izumi, from the App Store
Description by Ayumu Izumi Written by the developer, not by AppBrain. Click to read.
Challenge your brain and reflexes with Prime Rush, the ultimate prime factorization time attack game! This is not just a math drill, it is a high-speed puzzle action game where speed and accuracy are key. Perfect for students studying for exams, adults looking for brain training, and math enthusiasts who love numbers.
[HOW TO PLAY] Numbers will appear on the screen. Your goal is to break them down into their prime factors before time runs out!
Input the Formula: Use the intuitive keypad to enter factors like "12 -> 2^2x3".
It's a Prime!: If the number is already prime, just hit the "It's Prime!" button instantly.
Speed Bonus: Answer quickly to extend your time limit. Keep the combo going to achieve a high score!
[KEY FEATURES]
Time Attack Mode Race against the clock! Start from easy integers and work your way up to massive 3-digit numbers.
Global Leaderboards: Compete with players around the world. Your nickname, score, and date are recorded when you beat your personal best.
5 Difficulty Levels: Level 1: Beginners (4 - 50) Level 5: Masters (200 - 999) Can you conquer the hardest difficulty?
Practice Mode Need to study without the pressure?
Practice at your own pace with no time limits.
Ideal for overcoming your weak numbers and understanding the logic behind division.
Note: Level 1 is free; Levels 2-5 require a Pro Plan upgrade.
Built-in Factorization Calculator Includes a dedicated tool to instantly factorize any number. Use it to check your homework or explore the beauty of prime numbers.
Friendly Design
Featuring cute "Pochimu" characters to cheer you on.
Satisfying sound effects and haptic feedback (customizable in Settings).
Share your "New Record" cards directly to social media!
[WHY PLAY PRIME RUSH?]
Boost Mental Math: Drastically improve your calculation speed for multiplication and division.
School Prep: Perfect for middle school and high school algebra preparation.
Brain Teaser: A stimulating workout for your frontal cortex. Prevents brain aging with daily logic puzzles.
[PRO PLAN] Unlock the full potential of Prime Rush with the Pro Plan to access all Practice Mode levels. Master every number from 4 to 999!
Ready to become a Prime Master? Download Prime Rush today and start your mental math workout!
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 21.3 MB
- Content rating
- Everyone
Technologies used by Prime Rush: Math Time Attack
Releases
Updates seen on the App Store- Version
- 2.0
- Launched
- December 2025
No changelog data
Alternatives
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Rankings
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About the app and developer
About Prime Rush: Math Time Attack
Prime Rush: Math Time Attack is an education app developed by Ayumu Izumi.
User Ratings
The app has no ratings yet.
App Information
Prime Rush: Math Time Attack is freely available from the App Store. The app size is 21.25 MB. The latest version available is 2.0. The last update was on June 16, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since December 2025.
Developer information for Ayumu Izumi
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Frequently asked questions about Prime Rush: Math Time Attack
Is Prime Rush: Math Time Attack free?
Yes. Prime Rush: Math Time Attack is free on the App Store.
Is Prime Rush: Math Time Attack still available?
Yes. Prime Rush: Math Time Attack is on the App Store, and the last update we saw was on June 16, 2026.
How large is Prime Rush: Math Time Attack?
Prime Rush: Math Time Attack is 21.25 MB.
Is Prime Rush: Math Time Attack suitable for children?
App Store rates the content of Prime Rush: Math Time Attack as suitable for everyone.
Who made Prime Rush: Math Time Attack?
Prime Rush: Math Time Attack was developed by Ayumu Izumi. It is listed in the education category on the App Store.
What are the best alternatives to Prime Rush: Math Time Attack?
People looking at Prime Rush: Math Time Attack also look at these education apps: PRIMZ, fillip, Factor Tutor by ChatStick, ストタン, サクッと数学（高校受験対策）1問1答【サクトレ】.