Print the prime factors of each specified integer NUMBER. If none
are specified on the command line, read them from standard input.
--help
display this help and exit
--version
output version information and exit
AUTHOR
Written by Paul Rubin.
REPORTING BUGS
Report factor bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
The full documentation for
factor is maintained as a Texinfo manual. If the
info and
factor programs are properly installed at your site, the command
info coreutils (aqfactor invocation(aq