deffind_prime_factors(n):prime_factors=[]# 存放素因子的列表# 找到2这个最小素因子whilen%2==0:prime_factors.append(2)# 加入素因子2n//=2# 使用整除改变n的值# 从3开始检查奇数因子foriinrange(3,int(n**0.5)+1,2):whilen%i==0:# 若i为n的因子,则持续记录prime_fa
def find_factors_recursive(n, i=1, factors=None): if factors is None: factors = [] if i > n: return factors if n % i == 0: factors.append(i) return find_factors_recursive(n, i + 1, factors) number = 28 print(f"The factors of {number} using recursion are: {find_factors_r...
is_prime函数: 用于判断一个数是否为质数。如果数小于等于1,则不是质数。 从2遍历到该数的平方根,如果能整除,则不是质数。 find_prime_factors函数: 初始化一个空列表factors用于存储质数因子。 从2遍历到给定数的平方根,检查每个数是否为给定数的因子且为质数,如果是,则添加到factors列表中。 如果在遍历结...
Find the greatest prime factor of n """ if n < 2: raise ValueError('{} does not have a prime factorization'.format(n)) divisor = 2 while n > 1: if not n % divisor: n /= divisor divisor -= 1 divisor += 1 return divisor 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12....
number = int(raw_input("Please input your number ..."))ifisprime(number):print"You have already input a prime number."else: factors = findPrimeFactors(int(number)) factors.sort()printfactors 【执行结果】 Please input your number ... 199876 ...
在《Pyhon核心编程》第二版第209页第八章练习 续中,题8-6在函数findPrimeFactors中使用了递归,可以参考:http://www.cnblogs.com/balian/archive/2012/01/11/2318679.html 【推荐】博客:CoderZh的技术博客 http://www.cnblogs.com/coderzh/articles/1202040.html...
第81 行的seqFactors参数接受一个使用kasiskiExamination()函数创建的字典值,我将很快对此进行解释。该字典将序列字符串作为键,将整数因数列表作为每个键的值。(这些是findRepeatSequencesSpacings ()之前返回的间隔整数的因数。)例如,seqFactors可能包含如下所示的字典值: 代码语言:javascript 代码运行次数:0 运行 复制...
Factors 因素 Fermat Little Theorem 费马小定理 Fibonacci 斐波那契数列 Find Max 找到最大值 Find Max Recursion 查找最大递归 Find Min 查找最小值 Find Min Recursion 查找最小递归 Floor 地面 Gamma 伽马 Gamma Recursive 伽马递归 Gaussian 高斯 Gaussian Error Linear Unit 高斯误差线性单元 Gcd Of N Numbers ...
def find_primitive_root(p): order = p - 1 if p == 2: return 1 prime_factors = generate_prime_factors(order) while True: g = random.randint(2, order) flag = False for factor in prime_factors: # pow -> pow(base, exponent, modulo) if pow(g, order // factor, p) == 1: fl...
Prime Factorization - Have the user enter a number and find all Prime Factors (if there are any) and display them. Next Prime Number - Have the program find prime numbers until the user chooses to stop asking for the next one. Find Cost of Tile to Cover W x H Floor - Calculate the...