prime = False
num = int(input("Enter a number: "))
if num == 1 :
    print("1 is not a prime number.")
elif num > 1 :
    for i in range(2, num):
        if (num%i) == 0 :
            prime = True
            break

if prime == True:
    print(num, "is not a prime number.")
else:
    print(num, "is a prime number.")


# This is the site I used to figure it out  | | |
#                                           V V V
# https://www.programiz.com/python-programming/examples/prime-number
#
# Even though I used a website, I'm still able to explain what the code does.