# Function to check if a number is prime
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

# Function to find all 3-digit prime numbers starting with 5
def primes_starting_with_5():
    primes = []
    for num in range(500, 600):
        if is_prime(num):
            primes.append(num)
    return primes

# Display the prime numbers
prime_numbers = primes_starting_with_5()
prime_numbers