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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
~21 min read
Article
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
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