Is 121 a prime number? Numbers that have only 2 factors i.e. 1 and the number itself are prime numbers. Let’s find out in detail how and why is 121 a prime number?
Is 267 a prime number? Numbers that have only 2 factors i.e. 1 and the number itself are prime numbers. Let’s find out in detail how and why is 267 a prime number?
Why is 1 not a prime number? 1 is not a prime number because it has only one factor, namely 1. Prime numbers need to have exactly two factors. Why is 2 a prime number? 2 is a prime number because its only factors are 1 and itself. Is 51 a prime number? 51 is not a prime ...
An integer greater than 1 with exactly two positive divisors, 1 and the number itself, is referred to as a prime number. This means that there will... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our exp...
Which number is a prime number? A. 4 B. 6 C. 7 D. 9 相关知识点: 试题来源: 解析 C。本题考查质数的概念。质数是指在大于 1 的自然数中,除了 1 和它自身外,不能被其他自然数整除的数。4 可以被 2 整除,6 可以被 2 和 3 整除,9 可以被 3 整除,只有 7 除了 1 和它自身外,不能...
A prime number is a number greater than 1 that cannot be divided evenly by any number other than itself or 1. For example: 17 is a prime number because you cannot divide it (without a remainder) by any number except 17 or 1: 17 ÷ 17 = 1 17 ÷ 1 = 17 Boost your child's ma...
Which of the following numbers is a prime number? A. 12 B. 15 C. 17 D. 18 相关知识点: 试题来源: 解析 C。本题考查质数的概念。质数是指一个大于 1 的自然数,除了 1 和它自身外,不能被其他自然数整除的数。12 可以被 2、3、4、6 整除;15 可以被 3、5 整除;18 可以被 2、3、6、...
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。
百度试题 结果1 题目Which of the following is not a prime number? A. 2 B. 5 C. 7 D. 8 相关知识点: 试题来源: 解析 D
The number 0 is not a prime number - it is not a positive number and has infinite number of divisors. The number 15 has divisors of 1,3,5,15 because: 15/1=15 15/3=5 15/5=3 15/15=1 So 15 isnota prime number. The number 13 has only two divisors of 1,13. ...