1000= 2*2*2*5*5*5
n = 1000
l = []
while n > 1:
for i in range(2, n + 1):
if n % i == 0:
n = n // i
l.append(str(i))
break
# join连接字符串函数
print(str(1000)+'=',"*".join(l))

1000= 2*2*2*5*5*5
n = 1000
l = []
while n > 1:
for i in range(2, n + 1):
if n % i == 0:
n = n // i
l.append(str(i))
break
# join连接字符串函数
print(str(1000)+'=',"*".join(l))