defis_smith_number(n):sum_factor_digits = sum(sum_digits(f)forfinprime_factors(n))returnsum_factor_digits == sum_digits(n) 开发者ID:jesskay,项目名称:code-miscellany,代码行数:3,代码来源:smith_numbers.py 示例6: test_factoring_prime_times_prime_returns_prime_and_prime ▲点赞 1▼ deftest...
代码 # coding=utf-8'''Problem 3Largest prime factorThe prime factors of 13195 are 5, 7, 13 and 29.What is the largest prime factor of the number 600851475143 ?'''frommathimportsqrtdefisPrime(n):'''判断一个数是否为质数:param n: 需要判断的整数:return: 质数返回 True , 非质数返回 False...
For checking if a number is prime or not, we just have to make sure that all the numbers greater than 1 and less than the number itself should not be a factor of the number. For this, we will define a function isPrime() that takes a number N as input. Then it checks whether any...
Each input file contains one test case which gives a positive integer N in the range oflong int. Output Specification: Factor N in the format N = p1^k1*p2^k2*…...
for i in range(2, n+1): if (n % i == 0): isPrime = 1 for j in range(2, int(i/2 + 1)): if (i % j == 0): isPrime = 0 break # condition if \'i\' is Prime number # as well as factor of num if (isPrime): product = product * i return product ...
Problem 3: Largest prime factor The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? 欧拉题里很多是关于求质数,求质数的方法很多,我推荐的是筛选法,效率高,也很好理解。百度一下就有详细说明。
在下文中一共展示了ZZ.prime_factors方法的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。 示例1: nu1_mu_info ▲点赞 6▼ # 需要导入模块: from sage.all import ZZ [as 别名]# 或者: from sage.all.ZZ importprim...
The largest prime factor(最大质因数) 1. 问题: The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? 2. 解法(by java in Eclipse) way1 way2 注:利用分解质因数的方法,从小向大用质数整除(如果此质数恰好是n的因数的话)n,即不断的...
Syntex:getFactorPollardRho(semiPrimeNumber) Return Type:integer Note: This will return any one factor of given number because this algorithem works on random numbers. General Factorization Syntex:getAllFactors(compositeNumber) Return Type:list
1) Check Prime Number Using For Loop # Program to check if a number is prime or not# Input from the usernum =int(input("Enter a number: "))# If number is greater than 1ifnum >1:# Check if factor existforiinrange(2,num):if(num % i) ==0:print(num,"is not a prime number...