1. Lesson 9 Power Up BPage 54 Prime Numbers

2. A counting number greater than 1, has exactly two factors (the number itself and 1) 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, … Prime Numbers 5 1

3. A counting number that has more than 2 factors Composite Numbers 5 2

4. Composite numbers written as the product of factors that are prime numbers. Factor tree or division by primes Prime Factorization

5. Division By Primes 126 Factor Tree 126 Prime Factorization

6. Test for Divisibility List the whole numbers from 1 to 10 that are factors of 5400. 1, 2, 3, 4, 5, 6, 8, 9, 10