题解 | #质数因子#
质数因子
http://www.nowcoder.com/practice/196534628ca6490ebce2e336b47b3607
while True:
try:
num=int(input())
if num in [1,2]:
print(num)
# break
for i in range(2,int(num**0.5)+1):
while num%i==0:
print(i,end=' ')
num=int(num/i)
if num>2:
print(num)
except:
break