# prime number

> English word · Noun

## Definitions
1. Any natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
2. Any natural number (including 1) that is divisible only by itself and 1.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/prime-number