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Fermat Primes - Prime Numbers
https://prime-numbers.info/article/fermat-primes
Fermat Primes. In mathematics a Fermat number, named after Pierre de Fermat who first studied them, is a positive integer of the form F n =2 2nn +1 where n is a nonnegative integer. Fermat primes are such numbers which are also primes. First 5: 3, 5, 17, 257, 65537. Checkout list of first: 10 fermat primes.
Fermat numbers. Are they all prime? - Math Stack Exchange
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The only known Fermat primes so far are the cases n=0,1,2,3,4. You can get some more information here.
Fermat number - The Prime Glossary
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The only known Fermat primes are the first five Fermat numbers: F0=3, F1=5, F2=17, F3=257, and F4=65537. A simple heuristic shows that it is likely that ...
Fermat number - Wikipedia
https://en.wikipedia.org/wiki/Fermat_number
Numbers of the form with a, b any coprime integers, a > b > 0, are called generalized Fermat numbers. An odd prime p is a generalized Fermat number if and only if p is congruent to 1 (mod 4). (Here we consider only the case n > 0, so 3 = is not a counterexample.) An example of a probable prime of this form is 124 + 57 (found by Valeryi Kuryshev). By analogy with the ordinary Fermat numbers, it is common to write generalized Fermat number…
Fermat primes - OeisWiki
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{1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, ...
fermat-numbers.pdf
https://sites.millersville.edu › number-theory › fer...
This proves that 641 | 232 + 1. A Fermat prime is a Fermat number which is prime. It is an open question as to whether there are infinitely many Fermat primes.
Fermat primes - OeisWiki
oeis.org › wiki › Fermat_primes
If there are no more Fermat primes, then 4294967295 is the last term in the sequence. A003401 Numbers of edges of polygons constructible with ruler and compass. {1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 257, 272, 320, 340, 384, ...}
Fermat Prime -- from Wolfram MathWorld
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. In other words, Fermat primes are full reptend primes. See also. Constructible Polygon, Fermat Number, Full Reptend Prime, Generalized Fermat ...
Fermat number - Wikipedia
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where n is a non-negative integer. The first few Fermat numbers are: 3, 5, 17, 257, 65537, 4294967297, 18446744073709551617, ... (sequence A000215 in the OEIS ). If 2 k + 1 is prime and k > 0, then k must be a power of 2, so 2 k + 1 is a Fermat number; such primes are called Fermat primes.
Fermat Primes - Prime Numbers
prime-numbers.info › article › fermat-primes
In mathematics a Fermat number, named after Pierre de Fermat who first studied them, is a positive integer of the form F n =2 2 n n +1 where n is a nonnegative integer. Fermat primes are such numbers which are also primes. First 5: 3, 5, 17, 257, 65537. Checkout list of first: 10 fermat primes. You can also check all fermat primes.
List of Fermat primes: 1 - 5
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List of Fermat primes: 1 - 5: 3, 5, 17, 257, 65537.
List of Fermat primes: 1 - 5 - Prime Numbers
https://prime-numbers.info/list/fermat-primes
List of Fermat primes: 1 - 5. Fermat primes: Primes of the form 2^ (2^n) + 1. Fermat primes between 3 and 65537 have values between 3 and 65537. Learn more about Fermat primes. Go to list view or table view.
List of Fermat primes: 1 - 5 - Prime Numbers
prime-numbers.info › list › fermat-primes
List of Fermat primes: 1 - 5. Fermat primes: Primes of the form 2^ (2^n) + 1. Fermat primes between 3 and 65537 have values between 3 and 65537. Learn more about Fermat primes. Go to list view or table view.
Fermat Primes | Prime Numbers Wiki | Fandom
prime-numbers.fandom.com › wiki › Fermat_Primes
Pierre de Fermat. Number of. Exactly five- Fermat numbers apart from the first five are ...
Fermat prime | mathematics | Britannica
https://www.britannica.com › science
Fermat prime, prime number of the form 22n + 1, for some positive integer n. For example, 223 + 1 = 28 + 1 = 257 is a Fermat prime.