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prime?

vedranvinko | PRO | 06/21/23 07:38:15 AM UTC | 0 ⭐ | 10478 👁️ | Never ⏰ | []
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def prime?(n)
   ("1" * n) !~ /^1?$|^(11+?)\1+$/
end

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    01/01/70 12:00:00 AM UTC
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                        01/01/70 12:00:00 AM UTC
                        
                    
    
                
    
                

    
    
    
        
    
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