 ##  [P-Adic Valuation](/p-adic-valuation) 

  ##  [P-Adic Valuation](https://mathlogic.quantumdictionary.io/p-adic-valuation-0) 

  

 [![Mathematics & Logic Dictionary](/sites/default/files/styles/large/public/2026-01/Mathematics%20%26%20Logic.png.webp?itok=UhtTRPnp)](/topic-specific-dictionaries/natural-formal-sciences/mathematics-logic)

- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A function v_p that assigns to each nonzero integer n the exponent of a fixed prime p dividing n; extended to rationals by v_p(a/b)=v_p(a)−v_p(b) and further to fields and valuation rings to measure p-adic divisibility and induce the p-adic absolute value.