Sat Oct 27 10:37:26 2012

PRIME_SERIAL
  PYTHON version
  Count the primes between N_LO and N_HI.

PRIME_NUMBER_SWEEP
  Call PRIME_NUMBER to count the primes from 1 to N.

         N         Pi       Time

         1          0    0.00001
         2          1    0.00000
         4          2    0.00000
         8          4    0.00001
        16          6    0.00002
        32         11    0.00005
        64         18    0.00013
       128         31    0.00039
       256         54    0.00119
       512         97    0.00448
      1024        172    0.01654
      2048        309    0.06546
      4096        564    0.25960
      8192       1028    1.00731
     16384       1900    3.92110
     32768       3512   15.14254
     65536       6542   58.73342
    131072      12251  232.86737

PRIME_SERIAL
  Normal end of execution.

Sat Oct 27 10:42:38 2012