sandycandy522500 sandycandy522500 03-06-2022 Mathematics contestada Which of the following statements are true? The prime factorization of 21 is 3 x 7. The LCM of 14 and 21 is 42. The prime factorization of 14 is 2 x 7. 14 is a composite number. 21 is a prime number. The GCF of 14 and 21 is 14.