A prime number is a number that can only be divided by itself and 1 without remainders. What are the prime numbers from 1 to 100? The prime numbers from 1 to 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83,...
Divide 400 by 9: 4009=44+, The largest prime number less than 44 is 43. Method 2 Since 9×40 is less than 400 and 9×50 is greater than 400, check the prime numbers between 40 and 50 . These prime numbers are :41,43, and 47 . Sin ce 9×41=369, 9×43=387, and 9×47=...
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 using a multiplication square. Properties of Prime Numbers ...
百度试题 结果1 题目A prime number is 相关知识点: 试题来源: 解析 an integer greater than 1 whose only positive divisors are 1 and itself. 反馈 收藏
Is 1 a Prime Number?The answer to the question ‘why 1 is not a prime number’ lies in the definition of prime numbers i.e. is “The numbers other than 1 whose only factors are 1 and the number itself are called Prime Numbers“. Therefore we can state the fact that 1 is not a ...
No, 1 is not a prime number because it is not greater than 1. Is 2 a prime number? Yes, 2 is a whole positive number that is only divisible by itself and 1. 2 is also the only exception to the rule that a prime number must be odd. ...
Which of the following is a prime number?A. 2B. 4C. 6D. 8 相关知识点: 试题来源: 解析 A. 2 质数是指大于1且只能被1和自身整除的自然数。逐项分析如下:A. 2:能被1和2整除,没有其他因数,是质数。B. 4:可分解为2×2,存在非1和自身的因数,不是质数。C. 6:可分解为2×3,存在多个因数,不...
<p>To determine which of the given numbers (3123, 219, 573, 467) is a prime number, we need to check each number to see if it has any divisors other than 1 and itself. A prime number is defined as a number greater than 1 that has no positive divisors oth
Which of the following is the largest prime number?A. 15B. 17C. 19D. 21Answer:B 相关知识点: 试题来源: 解析 C 首先,质数是指大于1且只能被1和其自身整除的自然数。对选项逐一分析:- **A. 15**:15可分解为3×5,因此不是质数。- **B. 17**:17不能被子2或3整除,且平方根约为4.123,仅有...
Is 27 a prime number or a composite number?Factors:The number 50 can be evenly divided by 1, 2, 5, 10, 25, and 50. These numbers are called 'factors' of 50. All numbers have at least two factors: the numbers themselves and 1. Prime numbers have just those two factors, while ...