00:41
Prime Numbers: Summary: Prime Numbers
This clip summarizes prime numbers, explaining the difference between prime and composite numbers, and demonstrating how to use the sieve of Eratosthenes to find prime numbers. The clip also explains prime factorization, stating that every whole num...
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.
08:04
Adding Fractions with Different Denominators: Finding the Least Common Multiple
This clip explains the use of prime factorization in finding the least common multiple.