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
What is the least prime number greater than 83? A. 85 B. 87 C. 88D. 89 E. 91 相关知识点: 试题来源: 解析 D 比83大的最小质数(prime number)是多少 因为质数是只有1和它本身而不再有其他因子的数,而(A)、(B)、(C)和(E)均有其他因子,所以此题的正确答案为(D)。反馈 收藏 ...
A prime number is a number that has only two factors, that is 1 and the number itself.The smallest non-zero number is 1.The factor of 1 = 11 has only one factor which is 1 itself.The next smallest non-zero number is 2.Factors of 2 = 1 and 2It has only two factors, 1 and ...
28. What is the 11th prime number? 23 29 31 37 Answer The correct answer is:C) 31 Explanation The initial prime numbers are as follows: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, and 31 is the eleventh prime number. Learn & Test Your Skills ...
However, many scientists and mathematicians are still searching to find it as part of the Great Internet Mersenne Prime Search.The largest known prime number (as of November 2020) is 282,589,933 − 1, a number that has 24,862,048 digits when written in base 10. Before then, the ...
百度试题 结果1 题目If the sum of three prime numbers is 30, what is the least prime number?( ). A. 2B. 3C. 5D. 7相关知识点: 试题来源: 解析 A 反馈 收藏
The sum of two prime numbers is 85.What is the product of these two prime numbers?( )两个质数的和是85。这两个质数的乘积是多少?( ) A.85 B.91 C.115 D.133 E.166 【考点】质数与合数. 【答案】E 【解答】 【点评】 声明:本试题解析著作权属菁优网所有,未经书面同意,不得复制发布。
百度试题 结果1 题目Problem 8What is the smallest prime number dividing the sum 311+513? A(A)2 (B)3 (C)5 (D) 3^(11)+5^(13) (E)none of these 相关知识点: 试题来源: 解析 A 反馈 收藏
28is NOT primebecause it has 6 factors: 1, 2, 4, 7, 14 and 28. So 28 iscomposite. Prime Number Charts On our Prime Number Charts page, we have many printable lists of prime numbers. You can find the first 100 prime numbers, or print out a list of all prime numbers below 10,00...
Prime Numbers:They are integers that are more than 1. Only two factors can divide a prime number. Any composite number can be rearranged as the multiplication of its prime factors. It is used in architecture, engineering, etc.Answer and Explanation: ...