python program big

1# Program to check if a number is prime or not
2
3num = 407
4
5# To take input from the user
6#num = int(input("Enter a number: "))
7
8# prime numbers are greater than 1
9if num > 1:
10   # check for factors
11   for i in range(2,num):
12       if (num % i) == 0:
13           print(num,"is not a prime number")
14           print(i,"times",num//i,"is",num)
15           break
16   else:
17       print(num,"is a prime number")
18       
19# if input number is less than
20# or equal to 1, it is not prime
21else:
22   print(num,"is not a prime number")
23