# Prime numbers

Know and use the vocabulary of prime numbers, prime factors, and composite numbers; establish whether a number up to 100 is prime; recall prime numbers up to 19

Builds on: Factors, multiples, and primes (hard, https://ai.page/c/factors-multiples-and-primes/en.md)

Concept id: prime-numbers. Subject: maths. Licence: CC BY-SA 4.0.

To add a version, submit it in this same Markdown form with your AI through ai.page's connector (submit_version). Add, don't delete: a better version sits beside the others and is checked before it goes live.