A prime number is simply a number that is only divisible by itself and 1. Any number that is not prime is called a composite number. 1 is considered to be neither prime nor composite. So 2, 3, 5, 7, and 11 are all prime numbers. 2 is the only even prime number as all even nu...
Definition. A prime number is a positive integer with exactly two positive divisors. If p is a prime then its only two divisors are necessarily 1 and p itself, since every number is divisible by 1 and itself. Are prime factors and prime divisors the same? The prime factorization of a num...
must be divisible by all the following numbers except ( ).A. 6 B. 4 C. 2 D. 1 相关知识点: 试题来源: 解析 A 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...
A prime number is a number greater than 1, which is only divisible by 1 and itself. Show Step-by-step Solutions Recognizing prime and composite numbers Example: Determine whether the following numbers are prime, composite or neither: 24, 2, 1, 17 ...
结果1 题目the square difference of two consecutive odd numbers can be divisible by K, and K is equal to ()Multiples of (A) 4 (B) 8 (C) 4 or -4 (D) 8Two, fill in the blanks 相关知识点: 试题来源: 解析 B 设两个连续的奇数为2k+1和2k+3(k为整数),其平方差为: (2k+3)^2 ...
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...
The smallest prime number is 2 because it is divisible by itself and 1 only. Finding Prime Numbers Using Factorization The most common method used to find prime numbers is by factorization method. The steps involved in finding prime numbers using the factorization method are: Step 1: First ...
结果1 题目How many prime numbers are divisible by( ). A: zero B: one C: three D: ten 相关知识点: 试题来源: 解析 B The only prime number that is divisible by is itself. 有多少质数能被整除( ). . . . . 只有质数能被其自身整除. 故选....
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529 is not a prime number since it can be divided by numbers other than 1 and itself. Are the following numbers prime numbers? (1) 137. (2) 271. (3) 337. (4) 437. (5) 507. (6) 741. 相关知识点: 试题来源: 解析(1) 137 is a prime number. (2) 271 is a prime num...