A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, 1 × 5 ...
# input the value of NN=int(input("Input the value of N: "))s=0# variable s will be used to find the sum of all prime.Primes=[Trueforkinrange(N +1)]p=2Primes[0]=False# zero is not a prime number.Primes[1]=False# one is also not a prime number.whilep * p<=N:ifPrimes...
Find the sum of all the prime numbers between 1 and 20. View Solution Number of whole numbers between 38 and 68 is View Solution What is the sum of prime numbers between 11 and 20. View Solution Find the mean of all prime numbers between 20 and 50. View Solution The sum of all odd...
1)Find the sum of all the prime numbers Between 20 and 30. 2)Divide the sum of the first five odd numbers by the sum of the first two prime numbers. 3)Subtract 2 from the sum of the first five even numbers. The difference is then divided by the first odd number following 5. What...
解析 C For example:2、3、5、7 are all primes,2+3=5,2+5=7,5 and 7 are prime and odd number;3+5=8,3+7=10,8和10 are composite number and even number.So the sum of two prime numbers will be an odd or even number.So we choose ....
If the sum of three prime number is 30, what is the largest possible value of any of the three primes? A.19 B.23 C.27 D.29相关知识点: 试题来源: 解析 B 如果三个质数之和是30,那么这三个质数中最大的质数可能是多少? sum:和;prime number:质数;largest:最大的; 三个质数分别为2、5、...
Find the sum of all the prime factors of \number{1000027}. ( ) A. 113 B. 154 C. 176 D. 202 E. 234 相关知识点: 试题来源: 解析 D \number{1000027}=100^{3}+3^{3}=(100+3)(\number{10000}-300+9)=103\times 9709=103\times 7\times 1387=103\times 7\times 19\times 73.The...
The sum of two prime numbers is 85.What is the product of these two prime numbers?( )两个质数的和是85。这两个质数的乘积是多少?( ) A.85 B.91 C.115 D.133 E.166 【考点】质数与合数. 【答案】E 【解答】 【点评】 声明:本试题解析著作权属菁优网所有,未经书面同意,不得复制发布。
The sum of three prime numbers is 30. If they are all less than 20, they are , , .(From small to large) 相关知识点: 试题来源: 解析 2;11;17 There must be an even number among the three prime numbers. 30=2+11+17反馈 收藏 ...
The sum of an even prime number and an odd prime number is 9, The odd prime number must be( ).A.1B.5C.6D.7 答案 DThe only even prime number is 2, so the odd prime number must be7.一个偶数质数和一个奇数质数的和是9,奇数的质数必须是( ).A.1 B.5 C.6 D.7唯一的偶数质数是...