🔍 质数判断与分解质因数Prime Checker & Factorization
判断一个数是否为质数，并分解质因数，显示所有因数。Check if a number is prime, factorize it and list all divisors.
使用说明与常见问题How-to & FAQ
「质数判断与分解质因数」是什么？What is the Prime Checker & Factorization?
判断一个数是否为质数，并分解质因数，显示所有因数。Check if a number is prime, factorize it and list all divisors.
如何使用「质数判断与分解质因数」？How do I use the Prime Checker & Factorization?
在「质数判断与分解质因数」中，填写「整数」等参数，结果会随输入实时计算并显示在下方。In the Prime Checker & Factorization: Fill in "Integer"; results are recalculated instantly as you type.
计算精度如何？How precise are the results?
「质数判断与分解质因数」使用 JavaScript 双精度浮点数（约 15–16 位有效数字），部分功能使用 BigInt 处理大整数。The Prime Checker & Factorization uses double-precision floating point (about 15–16 significant digits); some features use BigInt for large integers.
「质数判断与分解质因数」免费吗？需要注册吗？Is the Prime Checker & Factorization free? Do I need an account?
「质数判断与分解质因数」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Prime Checker & Factorization is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.