English Dictionary

prime number

noun

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

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

意味（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.

意味（2）

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