Wieferich primes: Difference between revisions
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Found 2 Wieferich primes that are < 5,000 |
Found 2 Wieferich primes that are < 5,000 |
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</pre> |
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=={{header|Ruby}}== |
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<lang ruby>require "prime" |
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puts Prime.each(5000).select{|p| 2.pow(p-1 ,p*p) == 1 } |
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</lang> |
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{{out}} |
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<pre>1093 |
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3511 |
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</pre> |
</pre> |
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