故选. Since the two prime numbers sum to an odd number, one of them must be even. The only even prime number is . The other prime number is , and the product of these two numbers is .反馈 收藏
Prime Numbers Examples How to Find Prime Numbers Why Are Prime Numbers Important? What Are Composite Numbers? Divisors of a Number Video: Factorization and Prime NumbersWhat Are Prime Numbers?Prime numbers are the numbers that are only divisible by themselves and 1, in other words, if we try ...
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, ...
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...
We explain what prime numbers are and give examples of the types of questions KS2 children might be asked to test their knowledge of prime numbers. What is a prime number? A prime number is a number greater than 1 that cannot be divided evenly by any number other than itself or 1. ...
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 ...
结果1 题目 Suppose ,, and are positive prime numbers such that . What is the remainder when is divided by ? 假設、和是正的質數,滿足.問 除以的余數是多少? 假设、和是正的质数,满足.问 除以的余数是多少? A: B: C: D: E: 相关知识点: 试题来源: 解析 C 略 反馈 收藏 ...
Learn the definition of a prime number, how prime numbers differ from composite numbers and examples of which numbers are prime numbers. Related to this Question What is a prime number between 32 and 40? What is a prime number between 30 and 40?
. 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...
How do people usually greet their friends in China do they hug each other? People greet each other when they meet or when they are introduced to someone for the first time. This part focus on different ways to make introductions and great. The following sort dialogues counted the expression ...