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 of the following numbers is a prime number? A. 12 B. 15 C. 17 D. 18 相关知识点: 试题来源: 解析 C。本题考查质数的概念。质数是指一个大于 1 的自然数,除了 1 和它自身外,不能被其他自然数整除的数。12 可以被 2、3、4、6 整除;15 可以被 3、5 整除;18 可以被 2、3、6、...
第19行，输出a[i]是多余的，另外此时i的值是11，也是错的。
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.
Prime number examplesHow to work out if a given number is a prime number or a composite number, based on the properties of prime numbers.What are the prime numbers?There are 8 prime numbers under 20: 2, 3, 5, 7, 11, 13, 17 and 19. The first 10 prime numbers are 2, 3, 5, ...
百度试题 结果1 题目Which of the following is a prime number? A A)19B)18C)22D)15E)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
All whole numbers besides 0 and 1 are either prime or composite. Since a prime number is a whole number with only two factors, composite numbers are whole numbers with 3 or more factors. 8 is a composite number because it is divisible by 1, 8, 2, and 4. ...
If a is the smallest prime number greater than 21 and b is the largest prime number less than 16, then ab= 299 323 330 345 351So, you were trying to be a good test taker and practice for the GRE with PowerPrep online. Buuuut then you had some questions about the quant section—...
Prime numbers are any numbers that cannot be evenly divided by any integer other than 1 and itself. Or in other words, the only numbers that you can multiply to get a prime number are 1 and the prime number. Numbers that are not prime, or those with additional factors other than 1 and...