Talk:Pernicious numbers: Difference between revisions
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→C solution too cryptic?
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Hi, the C solution is a bit mysterious to me. The for loop seems to "remove the zeros" if I understand correctly, but then what's so special about 2693408940 ?? How can a simple bitwise & tell if the number of 1 (which is now the length since all zeros have been removed) is prime?
A bit of explanation in the introduction of the section or in comment would be welcome--[[User:Grondilu|Grondilu]] ([[User talk:Grondilu|talk]]) 14:43, 12 March 2014 (UTC)
:Edit, hum after some
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