猫史档案馆

def  zhishu(n):      x = True      for  i  in  range ( 2 ,n):          if  n % i = = 0 :              x = False              break      return  x def  fenjie():      n = int ( input ( "输入一个数:" ))      m = n      line = []      i = 2      while  True :          if  not  zhishu(n):              if  n % i = = 0 :                  line.append(i)                  n  =  n / / i              else :                  i + = 1          else :              s = n              break      print ( str (m) + "=" ,end = "")      for  j  in  line:              print (j,end = "*" )      print (s) fenjie()