---
name: "factor"
section: "1"
platform: "linux"
package: "coreutils"
version: "9.12-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/factor"
---

# factor(1)

factor numbers

## NAME

factor - factor numbers

## SYNOPSIS

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

## 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**

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

- **--help**

  display this help and exit

- **--version**

  output version information and exit

## AUTHOR

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

## 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 © 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

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