, , , . We divide by to get with left over. Looking at our pattern of four numbers from above, the first number is divisible by . This means that the first of the left over will be divisible by , so our answer is . Note that is divisible by , and thus is too. We know that...
1. Determine all three-digit numbers N having the property that N is divisible by 11, andN/(11)is equal to the sum of the squares of the digits of N.(BGR)1.求出所有的三位数,使得这个三位数除以11所得的商是它各位数字的平方和(保加利亚) ...
Prime numbers are natural numbers that are divisible by only 1 and the number itself. In other words, prime numbers are positive integers greater than 1 with exactly two factors, 1 and the number itself. Some of the prime numbers include 2, 3, 5, 7, 11, 13, etc. Always remember that...
Michal Krfzek and Jan Chleboun, Is any composite Fermat number divisible by the factor 5h2’’1 + 1, Tatra Mt. Math. Publ., 11(1997) 17–21; MR 98j: 1 1003. Google Scholar Michal Kffzek and Lawrence Somer, A necessary and sufficient condition for the primality of Fermat numbers,...
Odd numbers are numbers not evenly divisible by 2 or that leave a remainder of 1 when divided by 2.. The nth odd number is given by No = 1n – 1. The sum of the set of “n” consecutive odd numbers beginning with 1 is given by So = n^2. ...
A number divisible by 8(such as 8)may not be divisible by 6, but is divisible by 1,2, and 4. 下列哪个数字不能被8整除( ). A.6 B.4 C.2 D.1 可以被8整除的数字(例如8)可能不能被6整除,但是可以被1,2和4整除, 故选A.反馈
Which of the following numbers are divisible by 2?Which ones are divisible by 5? Which ones are divisible by 4?234 789 7756 8865 3728 8064 相关知识点: 试题来源: 解析 能被2整除:234,7756,3728,8064.能被5整除:8865;能被4整除:7756,3728,8064. 被2整除:末尾是2,4,6,8,0;被4整除:末两位...
To find how many numbers between 1000 and 5000 are exactly divisible by 225, we can follow these steps:Step 1: Identify the range We need to find numbers between 1000 and 5000.Step 2: Find the smallest number gre
To solve the problem of how many numbers divisible by 5 and lying between 3000 and 4000 can be formed using the digits 3, 4, 5, 6, 7, and 8 without repeating any digit, we can follow these steps:1. Identify the Range and Conditions</str
Consecutive numbers divisible by consecutive squares.A letter to the editor is presented in response to Abbas Rouholamini's examples of three consecutive numbers which are divisible by squares in the vol. 43, no. 3 issue.EBSCO_AspMathematical Spectrum...