# Dirichlet's theorem on arithmetic progressions

> theorem that, for coprime 𝑎 and 𝑑, there are infinitely many primes congruent to 𝑎 modulo 𝑑

**Wikidata**: [Q550402](https://www.wikidata.org/wiki/Q550402)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Dirichlet's_theorem_on_arithmetic_progressions)  
**Source**: https://4ort.xyz/entity/dirichlet-s-theorem-on-arithmetic-progressions


## References

1. Freebase Data Dumps. 2013