Number Theory

Question 0

What is a composite number?

What is 1?

Answer 0

Has more than 2 factors

1 is neither prime or composite

Question 1

What is an excellent way to find a number’s prime factors?

Answer 1

Factor tree / upside-down division

              504
              /   \
             2  252
                 /   \
                2  126
                    /    \
                   2    63
                        /   \
                       7    9
                             /\
                            3 3

2 x 2 x 2 x 7 x 3 x 3 = 504