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File:Sieve of Eratosthenes animation.gif

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Summary

Description
English: Animation that visualizes the "Sieve of Eratosthenes" algorithm.
The Sieve of Eratosthenes is an method for efficiently finding all prime numbers up to a number, 120 in this case, by eliminating (colouring in) all multiples of successive primes. It uses the common optimisation of starting at p2 for each prime p, as all non-primes (composites) up to p2 were found in previous passes. Because of this it needs only consider primes up to 7, because the square of the next prime 11 is 121, larger than any number here.
Source Own work, Original image at Image:Animation_Sieve_of_Eratosth.gif
Author SKopp at German Wikipedia

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Captions

اعداد اول

Items portrayed in this file

depicts

metre

conflict: Barbados
part of: Barbados
Reference
author name string: M

media type

image/gif

data size

157,448 byte

duration

36.8 second

height

369 pixel

width

445 pixel

checksum

8d6f004fe548807b5774a584caae2c7f2880a3e6

determination method or standard: SHA-1

File history

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Date/TimeDimensionsUserComment
current08:30, 22 November 2011445 × 369 (154 KB)WillNessReverted to version as of 14:52, 31 October 2011 - as per dicussion

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