Terms of Service

Last updated: November 2026

1. Using This Website

By visiting or using Prime Number Calculator, you agree to these simple terms. This site offers free math tools and learning guides for students, teachers, and general informational use.

2. Fair Use

You are welcome to use our tools for homework, school classes, personal study, and research at no cost. Using automated bots or scripts to overload our servers or disrupt access for other users is not allowed.

3. Accuracy & Disclaimer

We carefully test every calculator against automated math checks, but all tools are provided “as is” with no formal guarantee. Please note that our random prime tools are meant for learning only—not for generating real-world bank passwords or production security keys.