Which one of the following numbers is a prime number?( ) A.111 B.113 C.117 D.119相关知识点: 试题来源: 解析 B 111=3×37,117=3×39,119=7×17;therefore111, 117 and 119 are all composite numbers; only 113 is a prime number.反馈 收藏 ...
百度试题 结果1 题目【题目】Of the following, which is not a prime number(). A.11 B.31 C.41 D.51 相关知识点: 试题来源: 解析 【解析】D 反馈 收藏
1 and 1321, it is a prime number.How is 1321 a Prime Number?To understand whether 1321 is composite or prime, it is important to find its factors.Factors of 1321: 1, 1321Therefore, we can say that 1321 is a prime number since it has only 2 factors....
1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 1013 is a prime or composite is - "1013 is a prime number." Now, let us find out how and why is 1013 a prime number or a ...
<p>To determine which of the given numbers is a prime number, we will analyze each option step by step.</p><p><strong>Step 1: Check if 115 is a prime number.</strong> - A prime number is a natural number greater than 1 that has no positive divisors other
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
Is 113 a prime or composite number? Is 55 a prime or composite number? Is 10 a prime or composite number? Is 106 a prime or composite number? Is 123 a prime or composite number? Is 525 a prime or composite number? Is 129 a prime or composite number?
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.
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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 ...