Sieve of Atkin

The Sieve of Atkin is an efficient algorithm used to find all prime numbers upto a given number (say N) and does so in O(N) time complexity. With a modified version with enumerating lattice points variation, the time complexity goes to O(N / log log N). Sieve of Atkin is computationally efficient than Sieve of Eratosthenes as it marks multiple of square of prime numbers.

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