Last Updated：2025/11/19

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(number theory) Any natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

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Source Word

prime number

Noun

obsolete

(number theory) Any natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

Japanese Meaning

素数：1より大きい自然数で、その数自身と1以外の約数を持たない数。

What is this buttons?

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers, making it a fundamental concept in number theory.

Google Translation / DeepL Translation

素数とは、1より大きい自然数で、より小さい2つの自然数の積で表せない数であり、数論における基本的な概念です。

Details

Sense（1）

(number theory) Any natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

The fundamental theorem of arithmetic states that every natural number greater than 1 can be factorized into prime numbers in a way that is unique up to the order in which the factors are written.

Google Translation / DeepL Translation

Details

Sense（2）

(obsolete, number theory) Any natural number (including 1) that is divisible only by itself and 1.

prime numbers

（ plural ）

Details

prime number

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