FACTOR(1) User Commands FACTOR(1)

# [NAME](#NAME)

factor - factor numbers

# [SYNOPSIS](#SYNOPSIS)

**factor** \[*OPTION*] \[*NUMBER*]...

# [DESCRIPTION](#DESCRIPTION)

Print the prime factors of each specified integer NUMBER. If none are specified on the command line, read them from standard input.

[**-h, --exponents**](#h,)

print repeated factors in form p^e unless e is 1

[**--help**](#help)

display this help and exit

[**--version**](#version)

output version information and exit

# [AUTHOR](#AUTHOR)

Written by Paul Rubin, Torbjorn Granlund, and Niels Moller.

# [REPORTING BUGS](#REPORTING_BUGS)

Report bugs to: <bug-coreutils@gnu.org>.  
Report any translation bugs to: <https://translationproject.org/team/>.  
GNU coreutils home page: <https://www.gnu.org/software/coreutils/>  
General help using GNU software: <https://www.gnu.org/gethelp/>

# [COPYRIGHT](#COPYRIGHT)

Copyright © 2026 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.  
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

# [SEE ALSO](#SEE_ALSO)

Full documentation <https://www.gnu.org/software/coreutils/factor>  
or available locally via: info '(coreutils) factor invocation'

October 2026 GNU coreutils 9.12

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Document: factor(1) from coreutils 9.12-r7 (Chainguard OS)
Source: https://git.savannah.gnu.org/git/coreutils.git