Which of the following is the largest prime number?A. 15B. 17C. 19D. 21Answer:B 相关知识点: 试题来源: 解析 C 首先,质数是指大于1且只能被1和其自身整除的自然数。对选项逐一分析:- **A. 15**:15可分解为3×5,因此不是质数。- **B. 17**:17不能被子2或3整除,且平方根约为4.123,仅有...
8. If (a) represents the largest prime number not more than a, then the value of the expression××× 相关知识点: 试题来源: 解析B 8.译文:如果(a>表示不超过a的最大的质数,那么表达式$$ ( ( 8 ) \times ( 3 ) \times ( 4 ) ) \times ( 4 ) \times $$ (12)的值是( ) (A)...
What is the largest prime number? Prime Number: A prime number is any natural number that is greater than 1 and is divisible only by itself and 1. The first 5 prime numbers are 2, 3, 5, 7, and 11. Numbers that do not satisfy this criterion are called composite numbers. ...
If a is the smallest prime number greater than 21 and b is the largest prime number less than 16, then ab= 299 323 330 345 351So, you were trying to be a good test taker and practice for the GRE with PowerPrep online. Buuuut then you had some questions about the quant section—...
摘要: In this paper,the definitions of prime number and perfect number are introduced, and the largest of them having been found at present in the world are also described.关键词: prime number perfeet number the largest prime number
prime numbers, such that the largest prime number is as large as possible. The largest prime number is . 相关知识点: 试题来源: 解析 31 If the largest prime number is as large as possible, the remaining 9 prime numbers should be as small as possible. The best solution would be nine 2s...
Split 200 into 10 prime numbers. To make the largest prime number as small as possible, it could be . To make the largest prime number as large as possible, the largest prime could be . 相关知识点: 试题来源: 解析 23;181 200÷ 10 =20, so the largest number is larger than 20, ...
NPRThe number contains over 23 million digits. Years after embarking on a most interesting journey, John Pace of Germantown, Tenn. made the big discovery he’d been waiting for. Last week, Pacediscoveredthe largest prime number known to man, clocking in at over 23 million digits long. ...
number theory: any integer greater than 1 can be expressed as aproduct of primesthat isuniqueup to ordering. The uniqueness in this theorem requires excluding 1 as a prime because one can include arbitrarily many instances of 1 in any factorization, e.g., 3, 1 x 3, 1 x 1 x 3, etc...
alsoprime. The number 3 is a Mersenne prime because it’s one less than 22,which is 4. The next few Mersenne primes are 7, 31, and 127.M74207281 is the 49th known Mersenne prime. The next largestknown prime, 257,885,161− 1, is also a Mersenne prime. So is the oneafter that...