prime number

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[edit] English

[edit] Noun

prime number (plural prime numbers)

  1. (number theory) Any natural number greater than 1 divisible only by itself and 1.
    Every natural number greater than 1 can be factorized into prime numbers.

[edit] Usage notes

  • Modern mathematical usage specifies that 1 is not a prime number (as has been defined here); some older texts consider 1 to be a prime number.

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