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 ...
Answer: 2 and 3 Sometimes questions on prime numbers will be combined with other skills, such as probability: Susan has this spinner:What is the probability that when Susan spins the spinner it will land on a prime number? Answer: Since 3, 5, 7, 11 and 13 are prime numbers, the proba...
1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 1013 is a prime or composite is - "1013 is a prime number." Now, let us find out how and why is 1013 a prime number or a ...
Is 135 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 135 is a prime or composite is - "135 is a composite number." Now, let...
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百度试题 题目Which is not a prime number?A、89B、27C、41D、5Answer:B 驾驶员试题网___驾驶证考试相关知识点: 试题来源: 解析 http://www.jsyst.cn
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Is one a prime number? Answer and Explanation: Become a Study.com member to unlock this answer! Create your account View this answer In all definitions of mathematics, 1 is NOT a prime number and certainly not a composite. A number is prime if it has only and exactly two distinct....
What is a cardinal number? Types of Numbers: There are many types of numbers out there. Cardinal numbers and ordinal numbers are used for counting and ordering, while percents, decimals, and fractions all show parts of a number. Answer and Explanation: ...
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 ...