2194

11 分钟

#Bash 的 factor 命令

factor [OPTION] [NUMBER]...

功能

质因数分解。

类型

可执行文件(/usr/bin/factor),属于 coreutils

参数

  • OPTION 选项:
    • -h, --exponents - 以 x^n 的形式打印重复的因子
    • --help - 显示帮助
    • --version - 显示版本
  • NUMBER 要分解的整数列表

#示例

$ factor 1995 2000 2005 2010 2015 2020 2025 1995: 3 5 7 19 2000: 2 2 2 2 5 5 5 2005: 5 401 2010: 2 3 5 67 2015: 5 13 31 2020: 2 2 5 101 2025: 3 3 3 3 5 5 $ factor -h 1995 2000 2005 2010 2015 2020 2025 1995: 3 5 7 19 2000: 2^4 5^3 2005: 5 401 2010: 2 3 5 67 2015: 5 13 31 2020: 2^2 5 101 2025: 3^4 5^2

#推荐阅读

#手册

FACTOR(1) User Commands FACTOR(1) 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 GNU coreutils online help: <https://www.gnu.org/software/coreutils/> Report any translation bugs to <https://translationproject.org/team/> COPYRIGHT Copyright © 2023 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' GNU coreutils 9.4 April 2024 FACTOR(1)

创建于 2025/11/16

更新于 2025/11/16