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Fermat number

Fermat number noun: an integer which is one more than two raised to a power which is itself a power of two (i.e., is expressible in the form 2^(2ⁿ)+1 for some n>0); equivalently, a number that is one more than two raised to some power (is expressible as 2ⁿ+1) and is prime.

Noun

Fermat number (plural Fermat numbers)

  1. An integer which is one more than two raised to a power which is itself a power of two (i.e., is expressible in the form 2^(2ⁿ)+1 for some n>0); equivalently, a number that is one more than two raised to some power (is expressible as 2ⁿ+1) and is prime.

Forms of Fermat number

pluralFermat numbers

Origin of Fermat number

Named after French lawyer and amateur mathematician Pierre de Fermat (1601–1665).

Questions about Fermat number

What does Fermat number mean?
Fermat number means an integer which is one more than two raised to a power which is itself a power of two (i.e., is expressible in the form 2^(2ⁿ)+1 for some n>0); equivalently, a number that is one more than two raised to some power (is expressible as 2ⁿ+1) and is prime.
What part of speech is Fermat number?
Fermat number is a noun.
What is the plural of Fermat number?
The plural of Fermat number is Fermat numbers.

Words near Fermat number in the dictionary

  1. Fermans
  2. Fermat
  3. Fermat curve
  4. Fermat curves
  5. Fermat equation
  6. Fermat number
  7. Fermat numbers
  8. Fermat point
  9. Fermat points
  10. Fermat prime
  11. Fermat primes

Source and license

Adapted from Wiktionary: Fermat number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “Fermat number.” Word.ws, https://word.ws/fermat_number. Based on Wiktionary, CC BY-SA 4.0.