from math import sqrt as sq
from tkinter import *
def isprime(a):
    x=int(sq(a))+1
    for i in range(2,x):
        if a%i==0:break
    else:return True
    return False

class Prime:
    def __init__(self):
        self.k=1
    def __next__(self):
        while True:
            self.k+=1
            if isprime(self.k):break
        return self.k
    def __iter__(self):
        return self

def main():
    prime=Prime()
    a=eval(e.get())
    fact=[]
    while a!=1:
        if isprime(a):
            fact+=[a]
            break
        for i in prime:
            if a%i==0:
                fact+=[i]
                a=a//i
                prime.k=1
                break
    fact=[str(i) for i in fact]
    var2.set('×'.join(fact))

top=Tk()
top.title('Prime Facturation')

l1=Label(top,text='原数：')
l2=Label(top,text='结果：')
l1.grid(row=0,column=0)
l2.grid(row=1,column=0)

var1=StringVar(value='1')
var2=StringVar(value='1')

e=Entry(textvariable=var1,width=28)
e.grid(row=0,column=1,columnspan=7)

l=Label(textvariable=var2,justify=LEFT,bg='white',anchor=W,relief=GROOVE,width=32)
l.grid(row=1,column=1,columnspan=8)

b=Button(text='OK',command=main)
b.grid(row=0,column=8)

t='''Founder: 柒莳™
version1.3'''
l3=Label(text=t,fg='grey')
l3.grid(row=2,rowspan=2,column=0,columnspan=9)

top.mainloop()