def main(): # Prompt user to give a number n = input("Enter a number: ") if isPrime(n) == False: print n , "is not a prime number." else: print n , "is a prime number." def isPrime(num): # Test divisibility of every number before the user-given number for i in range(2, num): # Keep 1 out of the range but include as a prime if num == 1: return True elif num % i == 0: return False else: return True main ()
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