一、参考解法
while 1:
n = int(input('请输入一个整数:'))
print('%d='%n,end='')
while n>1:
for i in range(2,n+1):
if n%i==0:
n=int(n/i)
if n==1:
print('%d'%i,end='')
else:
print('%d*'%i,end='')
break
print()
二、参考解法:
from math import sqrt
while 1:
n=int(input('请输入整数:'))
print ("%d = " %n , end = '')
while 1:
for i in range(2,int(sqrt(n)+1)):
if n%i==0:
print('%d*'%i,end='')
n=int(n/i)
break
else:
print(n)
break