5 and 11, as prime numbers, don't have prime factorizations. Their LCM is their product.
37 is already prime.
409 is a prime number.
233357 is a prime number.
Prime factorizations are expressions of numbers as products of prime factors. The prime factorization of 30 is 2 x 3 x 5.
Only composite numbershave prime factorizations. Prime factorizations must consist of only prime numbers.
Only integers have prime factorizations.
208 is 2x2x2x2x13