Is 527 a prime number? How do you know that 527 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now,...
Which number is a prime number? A. 4 B. 6 C. 7 D. 9 相关知识点: 试题来源: 解析 C。本题考查质数的概念。质数是指在大于 1 的自然数中,除了 1 和它自身外,不能被其他自然数整除的数。4 可以被 2 整除,6 可以被 2 和 3 整除,9 可以被 3 整除,只有 7 除了 1 和它自身外,不能...
【题目】Which of the following expressions is never a prime number when p is a prime number?() A. p^2+16 B. p^2+24 C. p^2+26 D. p^2+46 E. p^2+96 相关知识点: 试题来源: 解析【解析】C Because squares of a non−multiple of 3 is always 1 mod 3, the only expression ...
百度试题 结果1 题目Which of the following is a prime number? D A)71B)29C)41D)All of these E)None of these 相关知识点: 试题来源: 解析 D 反馈 收藏
Why is 1 not a prime number? 1 is not a prime number because it has only one factor, namely 1. Prime numbers need to have exactly two factors. Why is 2 a prime number? 2 is a prime number because its only factors are 1 and itself. Is 51 a prime number? 51 is not a prime ...
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百度试题 结果1 题目1. What is a prime number? 相关知识点: 试题来源: 解析 A number that can only be divided by itself and I. 反馈 收藏
判断题 -5is a prime number。( ) 参考答案:错 点击查看答案 单项选择题 服务器所有的登录账号都保存在 ( ) A. Syslogins B. Sysobjects C. Syslists D. Sysbooks 点击查看答案 点击查看答案 点击查看答案 点击查看答案 点击查看答案
百度试题 结果1 题目-5 is a prime number。( ) 相关知识点: 试题来源: 解析 错误 反馈 收藏
Neither 0 or 1 is a prime number. Nor are they composite numbers. Because prime and composite numbers are only defined for integers that are larger than 1.