👉质数和合数 Prime and Composite Number 质数是有且只有两个正因数(1和本身)的正整数。 2是质数里唯一的偶数。 💡 If x and y are integers, and w=x²y+x+3y, which of the following statements must be true?(多选) A.If w is even, ...
. 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...
If the sum of a prime and a composite is 2017, what is the leastpossible value for the product of the two numbers?A.3000B.4030C.6042D.9120 相关知识点: 试题来源: 解析 BΩ 结果一 题目 If the sum of a prime and a composite is 2017, what is the leastpossible value for the ...
15 is not an example of a prime number because it can be divided by 5 and 3 as well as by itself and 1.15 is an example of a composite number because it has more than two factors.Prime numbers are often seen as “building blocks” by mathematicians in number theory. The fundamental...
Prime Factorization What's Another Definition for Prime and Composite Numbers? If the only factors a number are 1 and itself, then that number is prime. A number that is not prime is called composite. Learn about prime and composite numbers by watching this tutorial!
百度试题 结果1 题目What is the sum of all the one-digit positive prime numbers( ). A. 15B. 16C. 17D. 18相关知识点: 试题来源: 解析 C 反馈 收藏
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
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 product of these two numbers?A.60B.108C.118D.133E.166 答案 C相关推荐 1The sum of two prime numbers is 61. What is the product of these two numbers?A.60B.108C.118D.133E.166 ...
“know and use the vocabulary of prime numbers, prime factors and composite (non-prime) numbers to establish whether a number up to 100 is prime and recall prime numbers up to 19.” Students will not be asked to identify numbers as composite outside of the context of discussing prime numbe...