Which number is a composite number? A. 7 B. 11 C. 13 D. 16 相关知识点: 试题来源: 解析 D。合数是指自然数中除了能被 1 和本身整除外,还能被其他数(0 除外)整除的数。7、11、13 都只能被 1 和自身整除,是质数。16 可以被 2、4、8 整除,所以 16 是合数。
For example, {eq}4 {/eq} is a composite number since it has factors {eq}1,2 {/eq} and {eq}4 {/eq}. {eq}1 {/eq} is neither prime nor compsite. Answer and Explanation:1 If the number has any factor besides 1 and itself then it's composite. ...
A composite (non-prime) number is a number that has at least one factor other than 1 and the number itself, such as 6. 6 has 4 factors: 1, 2, 3, and 6. Prime numbers only have two factors. How many composite numbers are there up to 20? 相关知识点: 试题来源: 解析 11 A ...
Find the probability that the sum of numbers obtained is a composite number.掷一枚均质六面骰子三次.求掷得点数总和为合成数的概率. 答案 143216.相关推荐 1A fair 6-face die is thrown 3 times. Find the probability that the sum of numbers obtained is a composite number.掷一枚均质六面骰子三次....
A composite number is a positive integer that has a factor other than 1 and itself. For instance, 6 is a composite number because: it is positive it has a factor other than 1 and itself (both 2 and 3 are factors of 6) If you are familiar with prime numbers, then you should recogni...
A composite number is a positive integer which has positive divisors other than1 or itself. Claire selects n composite numbers from 1 to 2012. What is the largest possible value of n such that the greatest common factor of any two of them is 1? 相关知识点: 试题来源: 解析 14 反馈...
Which factors are not included in the prime factorization of a composite number? View Solution What is the arithmetic mean of the first ten composite numbers? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions ...
Determine whether the following numbers is a prime number or a composite number.(1)31A.PrimeB.Composite(2)93A.PrimeB.Composite 答案 (1)A(2)B(1)The factor of 31 are 1, and 31.(2)More than 2 factors相关推荐 1Determine whether the following numbers is a prime number or a composite num...
Is 65 a prime number? How do you know that 65 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, ...
Is 46 a prime number? How do you know that 46 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, ...