% python /tmp/collatz.py
Number of vCPUs available: 12
Checked Collatz conjecture for numbers 1 to 1000000
Number with longest sequence: 837799
Length of longest sequence: 525
Time taken: 2.08 seconds
python /tmp/collatz.py 19.47s user 0.41s system 728% cpu 2.731 total
Output: