Image:PrimeNumbersSmall.png

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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 upper-left represents "1", which not 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 + (row-1)*320

where column runs from 1 to 320, and row from 1 to 240.

See the list of the 100,008 primes

Licensing

Public domain This image is ineligible for copyright and therefore is in the public domain, because it consists entirely of information that is common property and contains no original authorship.

File history

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Date/Time Dimensions User Comment
current 05:28, 9 March 2007 320×240 (13 KB) JabberWok ( Talk | contribs) (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 upper-left represents "1" which is not usua)

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