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Algorithm          | Arturo      Ruby        Python      PHP         Lua         Tcl         
-------------------------------------------------------------------------------------------------------------------
factorial          | 7781        333         X           X           X           X           
factorial_prod     | 466         366         203         X           -           -           
fibonacci          | 12609       139         244         144         144         3939        
fibonacci_mem      | 277         6268        55          X           -           -           
is_prime_lib       | 85          88          617         72          12          41          
