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  1. #require "math"
  2.  
  3. def is_prime(prime)     
  4.     sqrt = Math.sqrt(prime)
  5. 	i=3
  6. 	while(i <= sqrt) 
  7.         if (prime % i == 0) 
  8. 			return false
  9. 		end
  10. 		i+= 2
  11.     end
  12.     return true; 
  13. end
  14.  
  15. i=13
  16. primes = 6
  17. until (primes == 10001)
  18.     i+= 2
  19.     if(is_prime(i)) 
  20.         primes+=1
  21. 	end
  22. end
  23. puts i
Success #stdin #stdout 0.39s 4760KB
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https://ideone.com/bGWCB
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
public

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