Your numbers stay local.

Prime checks, factorization, divisor generation, and range generation run in your browser. Entered numbers and results are not sent to an application database.

Infrastructure data

Cloudflare may process ordinary request and security data needed to deliver and protect the site, such as IP address, user agent, requested path, timing, and security events.

Cookies and advertising

The application currently sets no cookies and carries no advertising. This policy will be updated before analytics, consent tools, or advertising are activated.