2 is the smallest prime number. It is also the only even prime number – all other even numbers can at least be divided by themselves, 1, and 2, meaning they will have at least 3 factors.Largest prime numberGreek mathematician Euclid (one of the most famous mathematicians of the ...
百度试题 结果1 题目1. What is a prime number?___ 相关知识点: 试题来源: 解析 A number that can only be divided by itself and I. 反馈 收藏
You are getting old and past your prime when you realize that you do not remember the definition of a prime number. You ask yourself: What is a prime number? You have come to the right place for all your prime number facts. First of all, a prime number must be an integer. Integer ...
The prime numbers can be viewed as the building blocks of larger numbers. By dividing a larger number by the prime numbers, you can determine the basic multiples of the bigger number – all expressed in primes. If the number is even, continue dividing by 2, (track the number of times yo...
Take 3 for example. Three is only divisible by 1 and 3. That makes 3 a prime number! Let’s look at the number 6 now. Six is divisible by 1, 6, 2, and 3. It has four factors, meaning it is not a prime number. You can quickly figure out what a number’s factors are by ...
The first five prime numbers: 2, 3, 5, 7 and 11. A prime number is an integer, or whole number, that has only two factors — 1 and itself. Put another way, a prime number can be divided evenly only by 1 and by itself. Prime numbers also must be greater than 1. For example...
Prime Number: A prime number is any natural number that is greater than 1 and is divisible only by itself and 1. The first 5 prime numbers are 2, 3, 5, 7, and 11. Numbers that do not satisfy this criterion are called composite numbers. ...
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
A. It has only two factors. B. It has more than two factors. C. It is divisible by all numbers. D. It is always E. ven. 相关知识点: 试题来源: 解析 A。本题考查质数的概念。如果一个数是质数,那么它只有两个因数,1 和它本身。B 选项是合数的特点;C 选项错误;D 选项质数不一定是偶数...
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