Prime Number Check (advanced)

def prime_number():
    print("This program determines if a number is prime or not.")
    print("This program will only accept integers.")
    number = input("Please enter the number you want to check over here: ")
    number = int(number)
    if number > 0:
        if number == 3:
            print("The number is prime.")
            choice = input("Do you want to enter another number? Type 'continue' if you do & 'exit' if you don't: ")
            if choice == 'continue':
                prime_number()
            if choice == 'exit':
                return
            if choice != 'continue' and choice != 'exit':
                print("You have not entered a valid choice so the program will stop running.")
                return
        if number == 1:
            print("One is neither prime nor composite.")
            choice = input("Do you want to enter another number? Type 'continue' if you do & 'exit' if you don't: ")
            if choice == 'continue':
                prime_number()
            if choice == 'exit':
                return
            if choice != 'continue' and choice != 'exit':
                print("You have not entered a valid choice so the program will stop running.")
                return
        if number == 2:
            print("The number is prime.")
            choice = input("Do you want to enter another number? Type 'continue' if you do & 'exit' if you don't: ")
            if choice == 'continue':
                prime_number()
            if choice == 'exit':
                return
            if choice != 'continue' and choice != 'exit':
                print("You have not entered a valid choice so the program will stop running.")
                return

        for x in range(2, number - 1):
            if number % x != 0:
                continue
            elif number % x == 0:
                print("The number is not prime.")
                choice = input("Do you want to enter another number? Type 'continue' if you do & 'exit' if you don't: ")
                if choice == 'continue':
                    prime_number()
                if choice == 'exit':
                    return
                if choice != 'continue' and choice != 'exit':
                    print("You have not entered a valid choice so the program will stop running.")
                    return

            else:
                print("The number is prime.")
                choice = input("Do you want to enter another number? Type 'continue' if you do & 'exit' if you don't: ")
                if choice == 'continue':
                    prime_number()
                if choice == 'exit':
                    return
                if choice != 'continue' and choice != 'exit':
                    print("You have not entered a valid choice so the program will stop running.")
                    return
    elif number == 0:
        print("Zero is neither prime nor composite.")
        choice = input("Do you want to enter another number? Type 'continue' if you do & 'exit' if you don't: ")
        if choice == 'continue':
            prime_number()
        if choice == 'exit':
            return
        if choice != 'continue' and choice != 'exit':
            print("You have not entered a valid choice so the program will stop running.")
            return
    if number < 0:
        print("This number is less than 0. Please enter a positive integer next time.")
        return


prime_number()