百度试题 结果1 题目Which of the following is a prime number? D A)71B)29C)41D)All of these E)None of these 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目What is not a prime number? A. 13 B. 17 C. 21 D. 23 相关知识点: 试题来源: 解析 C。本题考查质数的概念。21 可以分解为 3×7,所以它不是质数。13、17、23 都只能被 1 和自身整除,是质数。反馈 收藏
百度试题 结果1 题目7 is a prime number. ( ) 相关知识点: 试题来源: 解析 正确 反馈 收藏
【题目】Which of the following expressions is never a prime number when p is a prime number?() A. p^2+16 B. p^2+24 C. p^2+26 D. p^2+46 E. p^2+96 相关知识点: 试题来源: 解析【解析】C Because squares of a non−multiple of 3 is always 1 mod 3, the only expression ...
题目 If "p" is a prime number,how many factors does "pn"have? 抱歉,我没有看懂你的解释。 答案 如果p是质数 那么pn有多少个因数呢? 你那个pn是什么啊 我没看懂 pn?晕 应该是这个意思 我也正在研究SAT数学呢 没辙 要应付入学考试. 相关推荐 1 If "p" is a prime number,how many factors do...
Is 79 a Composite Number? No, 7979 is not a composite number. It is a prime number. A composite number is defined as a positive integer greater than 11 that has at least one positive integer divisor other than 11 and itself. However, as 7979 has only two positive integer divisors, 11...
Brain-buster Mohammed says that 7 is a prime number, and so is 17, so 27 must also be a prime number. Explain why he is wrong. 相关知识点: 试题来源: 解析 Brain-buster 27is not a prime number because it can be divided by 3 and 9. ...
2 is divided by 12 ?() A.0 B.1 C.2 D.3 E.5 相关知识点: 试题来源: 解析 B [解析] 考生在做该题时可以用尝试法:任取一个大于3的质数去除以12,发现任一大于3的质数平方后被12整除时,余数总为1,例如72=49,49÷12得到商为4,余数为1。反馈 收藏 ...
What is the least prime number greater than 83? A. 85 B. 87 C. 88D. 89 E. 91 相关知识点: 试题来源: 解析 D 比83大的最小质数(prime number)是多少 因为质数是只有1和它本身而不再有其他因子的数,而(A)、(B)、(C)和(E)均有其他因子,所以此题的正确答案为(D)。反馈 收藏 ...
百度试题 结果1 题目3. If the n th prime number is 47, the n is(D) A.12 B.13 C.14 D. 15 相关知识点: 试题来源: 解析 答案见上 反馈 收藏