What is a Prime Number?

The video tutorial explains how to find factor pairs of the number 13 using area models. It demonstrates arranging 13 squares in different ways to identify factor pairs, concluding that 13 has only two factors: 1 and 13, making it a prime number. The concept of prime numbers is further illustrated with examples of other prime numbers like 5, 11, and 17. The lesson aims to help students identify prime numbers by understanding their unique factorization.

Describe the method used to find the factors of the number 13.

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What conclusion can be drawn about the factors of whole numbers with exactly two factors?

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