本文实例讲述了Python实现的求解最小公倍数算法。分享给大家供大家参考,具体如下:
简单分析了一下,前面介绍的最大公约数的求解方法跟最小公倍数求解方法类似,只需要改一个简单的条件,然后做一点简单的其他计算。问题的解决也是基于分解质因式的程序。
程序实现以及测试case代码如下:
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#!/usr/bin/python from collections import Counter def PrimeNum(num): r_value = [] for i in range ( 2 ,num + 1 ): for j in range ( 2 ,i): if i % j = = 0 : break else : r_value.append(i) return r_value def PrimeFactorSolve(num,prime_list): for n in prime_list: if num % n = = 0 : return [n,num / n] def PrimeDivisor(num): num_temp = num prime_range = PrimeNum(num) ret_value = [] while num not in prime_range: factor_list = PrimeFactorSolve(num,prime_range) ret_value.append(factor_list[ 0 ]) num = factor_list[ 1 ] else : ret_value.append(num) return Counter(ret_value) def LeastCommonMultiple(num1,num2): dict1 = PrimeDivisor(num1) dict2 = PrimeDivisor(num2) least_common_multiple = 1 for key in dict1: if key in dict2: if dict1[key] > dict2[key]: least_common_multiple * = (key * * dict1[key]) else : least_common_multiple * = (key * * dict2[key]) for key in dict1: if key not in dict2: least_common_multiple * = (key * * dict1[key]) for key in dict2: if key not in dict1: least_common_multiple * = (key * * dict2[key]) return least_common_multiple print (LeastCommonMultiple( 12 , 18 )) print (LeastCommonMultiple( 7 , 2 )) print (LeastCommonMultiple( 7 , 13 )) print (LeastCommonMultiple( 24 , 56 )) print (LeastCommonMultiple( 63 , 81 )) |
程序执行结果:
E:\WorkSpace\01_编程语言\03_Python\math>pythonleast_common_multiple.py
36
14
91
168
567
通过验证,计算结果准确。
希望本文所述对大家Python程序设计有所帮助。
原文链接:https://blog.csdn.net/grey_csdn/article/details/71429966