2 is the smallest prime number. It is also the only even prime number – all other even numbers can at least be divided by themselves, 1, and 2, meaning they will have at least 3 factors.Largest prime numberGreek mathematician Euclid (one of the most famous mathematicians of the ...
百度试题 结果1 题目What is not a prime number? A. 13 B. 17 C. 21 D. 23 相关知识点: 试题来源: 解析 C。本题考查质数的概念。21 可以分解为 3×7,所以它不是质数。13、17、23 都只能被 1 和自身整除,是质数。反馈 收藏
百度试题 结果1 题目Problem 8What is the smallest prime number dividing the sum 311+513? A(A)2 (B)3 (C)5 (D) 3^(11)+5^(13) (E)none of these 相关知识点: 试题来源: 解析 A 反馈 收藏
百度试题 结果1 题目If the sum of three prime numbers is 30, what is the least prime number?( ). A. 2B. 3C. 5D. 7相关知识点: 试题来源: 解析 A 反馈 收藏
If p is a prime number greater than 2, what is the value of p ? (1) There are a total of 100 prime numbers between 1 and p + 1. (2) There are a total of p prime numbers between 1 and 3,912. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not ...
Ifnis a prime number greater than 3, what is the remainder whenn2is divided by 12? 选项: A、0 B、1 C、2 D、3 E、5 答案: B 经典答疑 发起提问 提问: 点此查看答疑 老师您好,这道题我除了试数也看了管老师的视频,在视频中管老师把题写成了这样,我不太懂n=3A+1和n=3A+2是怎么出来的。
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Interesting prime number facts There can be only 1 even number that is prime – the number 2. Every other even number is divisible by 2, as well as 1 and itself, and is therefore not prime. Only 1 prime number ends in 5, and that is the number 5. ...
条件二还要判断个数是不是质数，否则p不存在
You are getting old and past your prime when you realize that you do not remember the definition of a prime number. You ask yourself: What is a prime number? You have come to the right place for all your prime number facts. First of all, a prime number must be an integer. Integer ...