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this post was submitted on 22 Feb 2026
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Programmer Humor
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The output is not the output of the algorithm, it's the output of the unit test.
95% of numbers up to that point at not prime. Testing the algorithm that only says "not prime" is therefore correct 95% of the time. The joke is that, similar to AI, the algorithm is being presented as a useful tool because it's correct often but not always.