Terms of Use

Last updated: August 26, 2026

By using Factor Calculator you agree to these terms. If you do not agree with them, please do not use the site.

Use of the site

The calculators and reference pages on this site are free to use for personal, educational, and commercial purposes. No account or payment is required.

You agree not to:

• Use automated tools to scrape the site at a rate that degrades service for others
• Attempt to interfere with, disrupt, or gain unauthorized access to the site or its infrastructure
• Republish substantial portions of the site's written content as your own

Results and accuracy

The calculations here use standard, well-established algorithms and are covered by automated tests. Even so, results are provided for informational and educational purposes and should be verified independently before being relied on for anything consequential — academic submissions, financial decisions, or professional work.

See the disclaimer for more detail.

Content ownership

The written explanations, page structure, and design on this site are the property of Factor Calculator. Mathematical facts themselves — that 12 has six factors, for example — are not owned by anyone and are free for you to use.

You may quote short passages with a link back to the source page. You may not copy entire pages or reproduce the site's content in bulk.

Availability

The site is provided on an "as is" and "as available" basis. There is no guarantee of uninterrupted access, and the site may be modified, suspended, or discontinued at any time without notice.

Limitation of liability

To the fullest extent permitted by law, Factor Calculator is not liable for any loss or damage arising from your use of this site, including any error in the results or any interruption in availability.

External links

This site links to external references such as Wikipedia, Wolfram MathWorld, and the OEIS. Those sites are not under our control, and we are not responsible for their content or availability.

Advertising

This site may display advertising. Advertisements are served by third-party networks and their presence does not imply endorsement of the products or services shown.

Changes to these terms

These terms may be updated from time to time. Continued use of the site after changes are posted means you accept the revised terms.

Contact

Questions about these terms can be sent to contact@factorcalculator.org.