On numbers n for which the prime factors of σ(n) are among the prime factors of n, Results Math. 45 (2004), pp. 79-87.F. Luca, On numbers n for which the prime factors of σ(n) are among the prime factors of n, Results Math. 45 (2004) 79-87.F. Luca, On numbers n ...
(2) 120=2^3*3*5. To make a perfect square, all exponents in the prime factorization of it should be even numbers. Thus, the smallest possible value of a and b should both be 2*3*5=30. (3) Only perfect squares have odd numbers of factors. There are 22 perfect squares from 1 ...
百度试题 结果1 题目12. Which of the numbers below are NOT factors of 16? 3(1) 1 and 8(2) 2 and 4(3) 6 and 32(4) 8 and 16 相关知识点: 试题来源: 解析 3 反馈 收藏
To determine whether the number 48970 is divisible by 10, we need to follow these steps:Step 1: Identify the number We are given the number 48970.Step 2: Check the unit place To check if
Which pattern of numbers is exponential?Answer and Explanation: An exponential pattern of numbers is described using an exponential function. You candescribe such a pattern of numbers by b^n where n = 1,2,3,... and b is some number. Note that you get to the next number in the series...
英文数学题补充一下:13s:13,26,39.change word:5 is a factor of 10. 10 is a multiple of 51.a)show that 13 is a factor of 13 by counting by 13s starting at 0b)which whole numbers are factors of themselves?explain.2.a)show that 1 is a f
百度试题 结果1 题目$$ 2 0 ^ { 5 } $$has two prime factors which are three-digit numbers. Find the sum of these numbers. (a)(a) 1112 (b) 1092 (c) 1062 (d) 922 相关知识点: 试题来源: 解析 (a) 反馈 收藏
The factors of 49 are1,7 , and49, Since 49 has 3 factors, it has a prime number of factors. 下列哪个数的整数因子的个数是质数( ). A.6 B.12 C.36 D.49 49的因数是1,7和49,因为49有3个因数,所以它的因数个数是质数. 故选D.结果...
Which of the following numbers are prime?(a) 23 (b) 51 (c) 37 (d) 26 Video Solution Struggling with Playing With Nu... ? Get free crash course Text SolutionVerified by Experts A prime number is a positive integer having exactly two factors. If p is a prime, then the only factors...
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