Image:PrimeNumbersSmall.png
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PrimeNumbersSmall.png (320 × 240 pixel, file size: 13 KB, MIME type: image/png)
Summary
Every pixel here represents a number in the range 1 to 76,800.
If the pixel is black, the number it represents is prime. If the pixel is white, that number is not prime.
So for example, the white pixel in the upperleft represents "1" which is not usually listed as prime. The next two black pixels to the right in the same row represent "2" and "3" which are prime.
For any pixel, the number it represents is given by
number = column + (row1)*320 where column runs from 1 to 320, and row from 1 to 240.
See the list of the 100,008 primes, http://primes.utm.edu/lists/small/100000.txt
Licensing
I, the creator of this work, hereby grant the permission to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no FrontCover Texts, and no BackCover Texts.
File history
Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.
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 (del) (cur) 05:28, 9 March 2007 . . JabberWok ( Talk  contribs) . . 320×240 (13,504 bytes) (Every pixel here represents a number in the range 1 to 76,800. If the pixel is black, the number it represents is prime. If the pixel is white, that number is not prime. So for example, the white pixel in the upperleft represents "1" which is not usua)

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Category: GFDL images