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Fermat number
Sign in to savepositive integer of the form (2^(2^n))+1
Key facts
- Named after
- Pierre de Fermat
- Subsequence of
- Fermat numbers
- First terms
- 3 , 5 , 17 , 257 , 65537
- Oeis index
- A019434
via Wikipedia infobox
Wikidata facts
- Instance of
- Lucas sequence
- Named after
- Pierre de Fermat
Show 2 more facts
- maintained by WikiProject
- WikiProject Mathematics
- facet of
- constructible polygon
Sources (3)
via Wikidata · CC0
~21 min read
Encyclopedic overview
In mathematics, a Fermat number, named after Pierre de Fermat (1601–1665), the first known to have studied them, is a positive integer of the form:
F
Excerpted from Wikipedia’s “Fermat number” article, available under the CC BY-SA 4.0 licence.