# Prime Counting Function

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**Prime counting function** is a function which gives total counts of prime numbers less than or equal to a given real number \(x.\)

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## Example Question 1

This is the answer to the question, with a detailed solution. If math is needed, it can be done inline: \( x^2 = 144 \), or it can be in a centered display:

\[ \frac{x^2}{x+3} = 4y \]

And our final answer is 10. \( _\square \)

**Cite as:**Prime Counting Function.

*Brilliant.org*. Retrieved from https://brilliant.org/wiki/prime-counting-funtion/