numbers from 1 to 100 arefinite in number.(iv)The set of positive integers greater than 100 is an infinite set becausepositive integers greater than 100 are infinite in number.(v)The set of prime numbers less than 99 is a finite set because prime numbersless than 99 are finite in number...
百度试题 结果1 题目Of 29, 31,39, 43,51, 57,61, 87, 91 and 97, which are prime numbers? 相关知识点: 试题来源: 解析反馈 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、...
结果1 题目Which of the following numbers is prime? ( ) A. B. C. D. E. None of these 相关知识点: 试题来源: 解析 E Prime numbers are whole numbers that have exactly two different factors. Of the answer choices: is not a whole number. has many factors. has only one factor...
结果1 题目If p and r are prime numbers, which of the following must also be prime? A. pr B. p+r C. pr+1 D. p2+r2 E. None of the above 相关知识点: 试题来源: 解析E 正确答案:E 解析:若p和r是质数(prime number),则下面哪一个也一定是质数?解:本题的正确答案为(E)。此题可用...
A.11=2+9 B.17=2+15 C.23=2+21 D.31=2+29 故选D.结果一 题目 Which of the following is the sum of two prime numbers( ).A.11B.17C.23D.31 答案 D相关推荐 1Which of the following is the sum of two prime numbers( ).A.11B.17C.23D.31 反馈 收藏 ...
If x and y are prime numbers, which of the following CANNOT be the sum of x and y ?() A.5 B.9 C.13 D.16 E.23 答案 E [解析] 此题应该采用排除法:5=2+3,9=7+2;13=11+2;16=3+13最后发现只有23不能分解成两个质数的和。相关推荐 1If x and y are prime numbers, which of ...
Prime NumberA prime number is a number which is greater than one and its factor is one and itself. We are writing the prime number 1 to 100 Prime number 1 to 100Whole number is W={0,1,2,3,4...,∞}Answer and Explanation:...
A.39的因数是3和13,因此,最大的因数是13, B.51的因数是3和17,因此,最大的因数是17, C.77的因数是7和11.因此,最大的因数是11, D.91的因数是7和13,因此,最大的因数是13, E.121的唯一因数是11.这使得11成为这个数字的最大因数. 因为我们在寻找具有最大的质数因数的数字,正确的答案是B.反馈...
There are a total of 4 prime numbers from 1 to 10. They are 2,3,5 and 7. 2 is the smallest and 7 is the largest prime number from 1 to 10.What is a prime number?33 related questions found Why is 11 not a prime number? Is 11 a Prime Number? ... The number 11 is ...