数学
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计算器: Prime Number.
使用计算器: Prime Number，根据输入获得清晰实用的结果。
此计算器尚未完全翻译——部分文本以英文显示。
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01
输入数值
输入时结果会更新。
02 / 答案
About Prime Numbers
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. The first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29.
FAQ
What is a prime number?
A prime number is a whole number greater than 1 that cannot be exactly divided by any whole number other than itself and 1.
Is 1 a prime number?
No, 1 is not considered a prime number. Prime numbers must have exactly two distinct factors: 1 and itself.
What is the smallest prime number?
The smallest prime number is 2. It's also the only even prime number.
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