【题目】 A prime number is a whole number , greater than1 , that is divisible only by itself and 1 . Some examples of prime numbers are 2 , 3 , 5 , 7 , 11, and 13 . What is the largest prime number , P, such that 9 times P is less than 400 ? 答案 【解析】43.相关推荐...
A prime number is a positive whole number that is only divisible by itself and 1. Prime numbers must be greater than one. Another way of saying this is that the only factors of a prime number are 1 and the number itself.What is a composite number?
The number belongs to a rare group of the so-called Mersenne prime numbers, named after the 17th century French monk Marin Mersenne. Like any prime number, a Mersenne prime is divisible only by itself and one, but is derived by multiplying many twos together and then taking away one. This...
C. 0 and 1D. 0, 1, and 2相关知识点: 试题来源: 解析 A Every whole number is divisible by 1, but not by 0. 每一个偶数都能被?整除( ). A.1,但不能被0 B.0,但不能被1 C.0和1 D.0,1,2 每一个偶数都能被1整除,但不能被0整除. 故选A....
解析 A Try examples like 2×2 and3×3. Choice A is correct. 一个整数和它本身的结果一定可以被什么整除( ). A.1,但不一定是2 B.2,但不一定是1 C.1&2,但不一定是3 D.1,2,&3 试试例子2×2和3×3,因此选(A)=1,但不一定是2正确. 故选A....
百度试题 结果1 题目d)If a number is divisible by 9, by what other number is it also divisible? 相关知识点: 试题来源: 解析 Thenumbermustalsobedivisibleby3. 反馈 收藏
③ If number A is divisible by both 3 and 5 and it is a two-digit whole number, the largest possible value of A is( ).相关知识点: 试题来源: 解析 90 要找到既能被3又能被5整除的最大两位数,我们需要找到3和5的最小公倍数,即15。然后,找出15的倍数中最大的两位数,即90。因此,答案是...
A.5B.7C.11D.37 相关知识点: 试题来源: 解析 D Of the following choices, only 37 is a factor of 111.如果一个整数能被111整除,那么它一定能被( ) 整除..5 .7 .11 .37在下列选项中,只有37是111的因数.故选.反馈 收藏
A number which is divisible by only 3 of the 4 numbers listed in the choices given for this problem will not be divisible by( ).A. 6 B. 10 C. 14 D. 15 相关知识点: 试题来源: 解析 C Any multiple of 2×3×5=30 will be divisible by 6,10 and 15, but not by 14. 下面选项...
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