PRIME_NUMBER_MPI
  FORTRAN90/MPI version
 
  An MPI example program to count the number of primes.
  The number of processes is        1
 
         N        Pi          Time
 
         1         0  0.100000E-02
         2         1   0.00000    
         4         2   0.00000    
         8         4   0.00000    
        16         6   0.00000    
        32        11   0.00000    
        64        18   0.00000    
       128        31  0.100000E-02
       256        54   0.00000    
       512        97   0.00000    
      1024       172  0.200000E-02
      2048       309  0.700000E-02
      4096       564  0.280000E-01
      8192      1028  0.101000    
     16384      1900  0.376000    
     32768      3512   1.40900    
     65536      6542   5.19400    
    131072     12251   19.7260    
 
PRIME_NUMBER_MPI - Master process:
  Normal end of execution.