Is 76 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 76 is a prime number or composite, we need to divide it with ...
百度试题 结果1 题目Which of the following is a prime number? D A)71B)29C)41D)All of these E)None of these 相关知识点: 试题来源: 解析 D 反馈 收藏
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...
Is 57 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 57 is a prime number or composite, we need to divide it with ...
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 ...
百度试题 结果1 题目7 is a prime number. ( ) 相关知识点: 试题来源: 解析 正确 反馈 收藏
Brain-buster Mohammed says that 7 is a prime number, and so is 17, so 27 must also be a prime number. Explain why he is wrong. 相关知识点: 试题来源: 解析 Brain-buster 27is not a prime number because it can be divided by 3 and 9. ...
To determine whether a number is prime, we need to check whether it has exactly two factors. 1313 has two factors (11 and 1313) and is therefore prime. 1717 has two factors (11 and 1717) and is therefore prime. 2121 has four factors (11, 33, 77, and 2121) and is therefore composi...
Prime numbers are any numbers that cannot be evenly divided by any integer other than 1 and itself. Or in other words, the only numbers that you can multiply to get a prime number are 1 and the prime number. Numbers that are not prime, or those with additional factors other than 1 and...
Is one a prime number?The simple answer to this question is no. Prime numbers have many different and interesting properties, which they would not have if the number one was prime. Therefore, the number 1 was excluded from the set of prime numbers. So the first prime number is 2....