while True:
logpath='E:\code\log'
name=input('Enter your number:')
y=name
if name=='stop':break
elif not name.isdigit():
print('Enter wrong type number,try again:')
elif int(y)<=1:
print('Enter number too small,return enter again:')
else:
log=open('E:\code\log\log.txt','w')
y=int(name)
while y>1:
pass
x=y//2
while x>1:
if y%x==0:
#print(y,'has factor',x,file=log)
break
x-=1
else:
print(y,'is prime',file=log)
y-=1
log.close()
print(open('E:\code\log\log.txt').read())
