# prime-counting function

> function representing the number of primes less than or equal to a given number

**Wikidata**: [Q251922](https://www.wikidata.org/wiki/Q251922)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Prime-counting_function)  
**Source**: https://4ort.xyz/entity/prime-counting-function


## References

1. Freebase Data Dumps. 2013
2. Quora