This app is a simple and reliable tool for checking prime numbers. It is free!

Its Features:
- Checks if a number is prime
- Allowed up to 18-digits input
- Shows neighboring prime numbers based on input
- Discover prime numbers from a specified date
- A mathematics app
- Good for education
- Requires no specific access privileges
- Does not require internet access
- If you connect to the internet, you can share the result on SNS such as Twitter, Facebook, etc.
- High-quality and reliable
- User-friendly design
- Free

There are three modes available:
- Prime Number Judgment: Check if a number is prime.
- Neighboring Prime Numbers: Display neighboring prime numbers based on the input.
- Discover Prime Numbers: Find prime numbers from a specified date.


It is free and requires no special access privileges.
With Prime Number Judgment, you can quickly check if a number is prime and see neighboring prime numbers from your input. You can also discover prime numbers from a specified date.
This app is perfect for anyone needing a quick and easy way to check prime numbers with some exciting features.
It is a high-quality and reliable math app that does not require an internet connection.
Prime Number Judgment is also designed to be user-friendly and easy to use.