Find the next unmarked number d

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Reference no: EM132131814

Sieve of Eratosthenes (in Python)

The goal is to find all the prime numbers less than or equal to some natural number maxn.

We have a list that tells us if any of the numbers 0..maxn are "marked". It can be an array of booleans. The zero and one slots are not used.

Start with 2 and mark all the multiples of 2.

Find the next unmarked number d, mark all of its multiples, and so on.

You can stop when 2d>maxn, or there are no more unmarked numbers.

To print out the primes, print out all unmarked numbers.

Reference no: EM132131814

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