= Brun sieve
{wiki=Brun_sieve}
The Brun sieve is a mathematical algorithm or method used in number theory, particularly in the context of prime numbers and integer sequences. Named after the mathematician Viggo Brun, it is primarily associated with the sieve method, a classical technique used to filter out numbers that have certain properties—often used to identify prime numbers or to count prime numbers within a given range. The Brun sieve is particularly effective for counting twin primes or other related prime configurations.
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