Prime Number Checker
Digital Prime Studio Tools
Check instantly if any whole number is prime and see why.
- Downloads
- 41+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Oct 9
- 2026 · v1.2
Screenshots
About Prime Number Checker
Prime Number Checker is a simple and fast utility that helps you instantly determine whether a whole number is prime.
Enter any whole number and get a clear result showing whether it is a Prime Number or Not a Prime Number, along with a simple explanation.
Features:
• Instantly check prime numbers
• Clear explanation of the result
• Handles 0, 1, negative numbers, and decimals
• Quick example numbers for easy testing
• Clean and modern interface
• Light, Dark, and System theme options
• Works without creating an account
• Calculations run directly on your device
Prime Number Checker is designed to be fast, simple, and easy to use for students, learners, and anyone who needs to check prime numbers quickly.
App category: Tools
Tags: Calculator, Mathematics
Enter any whole number and get a clear result showing whether it is a Prime Number or Not a Prime Number, along with a simple explanation.
Features:
• Instantly check prime numbers
• Clear explanation of the result
• Handles 0, 1, negative numbers, and decimals
• Quick example numbers for easy testing
• Clean and modern interface
• Light, Dark, and System theme options
• Works without creating an account
• Calculations run directly on your device
Prime Number Checker is designed to be fast, simple, and easy to use for students, learners, and anyone who needs to check prime numbers quickly.
App category: Tools
Tags: Calculator, Mathematics
What’s new
Version 1.2 · Updated October 9, 2026
Prime Number Checker 1.2 • Updated app icon and visual assets. • Improved app presentation and usability. • Refined the overall app experience.
User reviews
very good app.