Is 351 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 351 is a prime number or composite, we need to divide it with...
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
Which number is a prime number? A. 4 B. 6 C. 7 D. 9 相关知识点: 试题来源: 解析 C。本题考查质数的概念。质数是指在大于 1 的自然数中,除了 1 和它自身外,不能被其他自然数整除的数。4 可以被 2 整除,6 可以被 2 和 3 整除,9 可以被 3 整除,只有 7 除了 1 和它自身外,不能...
答案:错误 手机看题 你可能感兴趣的试题 单项选择题 体力活动( Physical activity )是指由骨骼肌收缩所引起的、导致在静止的能量消耗的基础上能量消耗( )的任何身体运动。 A. 增加B. 不变C. 减少D. 其他选项都不对 点击查看答案手机看题 问答题
-5is a prime number。( ) 答案:错误 手机看题 你可能感兴趣的试题 单项选择题 服务器所有的登录账号都保存在 ( ) A. Syslogins B. Sysobjects C. Syslists D. Sysbooks 点击查看答案手机看题 单项选择题 1.我国现存最早的药学专著是 A、本草经集注 B、神农本草经 C、唐本草 D、证类本草 E...
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百度试题 结果1 题目A whole number that has 0, 2, 4, 6, or 8 in the ones place is called a(n)—A:prime number.B:even number.C:odd number.D:ordinal number. 相关知识点: 试题来源: 解析 B even number.反馈 收藏
Neither 0 or 1 is a prime number. Nor are they composite numbers. Because prime and composite numbers are only defined for integers that are larger than 1.
百度试题 结果1 题目-5 is a prime number。( ) 相关知识点: 试题来源: 解析 错误 反馈 收藏
Prime numbers smaller than 21 =2, 3, 5, 7, 11, 13, 17, 19437\div19 =23437 is not a prime number.(5) 23\times23 =529 (> 507)We divide 507 by all the prime numbers smaller than 23.507\div3 = 169507 is not a prime number....