GCSE Secondary Maths Age 13-17 - Number: Prime Numbers - Explained

The video tutorial covers identifying prime numbers between 20 and 30, explaining the concept of prime numbers as having only two factors: 1 and itself. It demonstrates the process of eliminating non-prime numbers by checking divisibility and highlights that 23 and 29 are the only primes in the given range. The tutorial also addresses the uniqueness of 2 as the only even prime number, explaining that all other even numbers have additional factors, making them non-prime.

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