A factor free is a diagram showing the prime factorization of a number.
2 and 3 are prime factors of 24 but although 4 is a factor of 24 it is not a prime factor because it is a composite number
If the prime factorization contains a 5 and a 7, 35 is a factor.
11 is a prime number. Its only prime factor is 11.
40 is simply a number. It does not and cannot explain prime factorisation!
23 is prime.
If completed correctly, the bottom branch of a factor tree will be the prime factorization of the number at the top.
That's a factor string of 980; it is not the prime factorization. 4 and 49 aren't prime.
Prime Factor Decomposition is breaking down a given number into prime factors, its prime factorization.
359 is a prime number. Its only prime factor is 359.
23 is a prime number and its only prime factor is 23.