def find_multiples(n, limit):
    "Find multiples of n up to a given limit."
    multiples = []
    for i in range(1, limit + 1):
        multiples.append(n * i)
    return multiples

number = int(input("Enter a number: 13"))
limit = int(input("Enter a limit for multiples: 18"))

print(f"Multiples of {number} up to {limit}: {multiples}")
print(f"Factors of {number}: {factors}")