Wed Oct  8 08:47:25 2025

prime_test():
  python version: 3.10.12
  numpy version:  1.26.4
  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    0.00000
         2          1    0.00000
         4          2    0.00000
         8          4    0.00000
        16          6    0.00001
        32         11    0.00003
        64         18    0.00007
       128         31    0.00020
       256         54    0.00063
       512         97    0.00228
      1024        172    0.00828
      2048        309    0.03094
      4096        564    0.06304
      8192       1028    0.20346

prime_test():
  Normal end of execution.
Wed Oct  8 08:47:26 2025