Print the prime factors of each specified integer NUMBER. If none are specified
on the command line, read them from standard input.
Written by Paul Rubin, Torbjorn Granlund, and Niels Moller.
Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL
version 3 or later https://gnu.org/licenses/gpl.html.
- display this help and exit
- output version information and exit
This is free software: you are free to change and redistribute it. There is NO
WARRANTY, to the extent permitted by law.