Question
What are prime numbers? List all primes between $1$ and $30.$

Answer

Those numbers with only two factors, i.e., $1$ and the number itself,
are known as prime numbers. Examples: $2, 3, 5, 7. 11$ and $13 $
The prime numbers between $1$ and $30$ are $2, 3, 5, 7, 11, 13, 17, 19, 23$ and $29.$

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