A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. Prime Number Counter is a small utility to calculate the prime numbers.
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PrimesieveKim Walisch
Primesieve.Primesievev12.16
primesieve is a command-line program that generates primes using the sieve of Eratosthenes algorithm. It can generate primes and prime k-tuplets (twin primes, prime triplets, ...) up to 2^64 and find the nth prime.
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PrimecountKim Walisch
Primecount.Primecountv8.8
primecount is a command-line program that counts the primes below an integer x ≤ 10^31 using highly optimized implementations of the combinatorial prime counting algorithms.
