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Fermat numbers

   Also found in: Wikipedia 0.01 sec.
Fermat numbers [′fer·mä ‚nəm·bərz]
(mathematics)
The numbers of the formFn= (2(2n)) + 1 forn= 0, 1, 2, ….


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His exploration of elementary and advanced topics in classical number theory covers a range of numbers, including Fermat numbers, Mersenne primes, powerful numbers, sublime numbers, Wieferich primes, insolite numbers, Sastry numbers, and voracious numbers.
More recently analysis of these so-called Fermat numbers have found no other primes above [F.
2]+1, or 5," and later, "the first four Fermat numbers are prime, but [among] the rest, up to and now including the 24th, none are prime.
 
 
 
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