If the sum of two prime numbers is 39, what are the two prime numbers? If the sum of three different prime numbers is 40, what are the three prime numbers? If A, B are prime numbers, and 45A−12B=30, then A×B is .相关知识点: 试题...
If the sum of two prime numbers is 39, what are the two prime numbers?If the sum of three different prime numbers is 40, what are the three prime numbers? 相关知识点: 试题来源: 解析 (1)2, 37.(2)2, 7, 31. (1)Because 39 is an odd number, either a or b must be the even ...
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What is the sum of the first two prime numbers? 相关知识点: 试题来源: 解析 5 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。
. What is the product of these two prime numbers?( ).A. 85 B. 91 C. 115 D. 133 E. 166 相关知识点: 试题来源: 解析 E 两质数之和为85.则这两个质数的积是多少? 由于两个质数和为奇数,其中一个必须是偶数.唯一的偶数是2.另一个质数为85−2=83, 这两个数的乘积为83⋅2=166. 故...
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 61. What is the product of these two numbers? A.60 B.108 C.118 D.133 E.166相关知识点: 试题来源: 解析 C 两个质数和为奇数,所以必有质数2,那么另外一个质数只能是质数59,乘积为118.故选C.结果一 题目 The sum of two prime numbers is 61. What is the...
百度试题 结果1 题目The sum of two prime numbers is 109. What is the product of these two prime numbers?相关知识点: 试题来源: 解析 214 2 and 107 反馈 收藏
What are Prime Numbers?doi:10.1142/9789814725828_0001P. Ribenboim