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 ...
<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
Is 110 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 110 is a prime number or composite, we need to divide it with...
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
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...
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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.
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 ...
How to use prime numbers in factoring larger numbers. The prime numbers can be viewed as the building blocks of larger numbers. By dividing a larger number by the prime numbers, you can determine the basic multiples of the bigger number – all expressed in primes. ...
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