# Prime Numbers Yes, we are obsessed with prime numbers! You can see all of our Tact coins are related to prime numbers! **Prime Numbers under 100:** 2 3 5 7 11 13 17 19 23 * The earth's axis is tilted at approximately 23° * Ninth prime number 29 31 37 41 43 47 53 59 61 67: 71 73 79 **83:** * The sum of three consecutive numbers (23 + 29 + 31) * the 23rd prime number * is a safe prime 89 **97:** * The highest two digit prime number where the sume of its digits is a square. * Is a Proth prime number --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://tactlabs.gitbook.io/featurepreneur/prime-numbers.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.