02:02
Prime Numbers: Prime Factorizations
This clip explains that when the factorization of a whole number consists entirely of prime numbers (as with the number thirty, factored into two times three times five), the result is what's known as a prime factorization.
01:16
Prime Numbers: Factors of Thirteen
This clip contrasts the number twelve, which can be factored in several ways, with the number thirteen, which can only be factored as thirteen times one. The clip states that the question of whether or not a whole number has smaller factors becomes ...