#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)