Prime Number Calculator

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Sure, I can help you with that! Do you want a program that calculates whether a given number is prime or do you want a program that generates a list of prime numbers up to a certain limit?

Sure, I can help you with that. Here's a Python program that can determine whether a given number is prime or not:

python
def is_prime(n):
    if n <= 1:
        return False
    for i in range(2, int(n**0.5)+1):
        if n % i == 0:
            return False
    return True

n = int(input("Enter a number: "))
if is_prime(n):
    print(n, "is a prime number")
else:
    print(n, "is not a prime number")

To use the program, simply run it in a Python interpreter or IDE and enter the number you want to check for primality. The program will then output whether the number is prime or not.

Note that this program is not optimized for efficiency, and may take a long time to run on very large numbers. There are more efficient algorithms for testing primality, but they are more complex to implement.