Saxon Lesson 21 (Slides)

Lesson 21

• Prime and Composite Numbers

• Prime Factorization

​Prime Numbers

​composite numbers:

​Prime Factorization

​Prime Factorization: product of prime numbers for any given number.

​24: 2 x 2 x 2 x 3

Start with a factor tree:

​Daily Challenge #21
A. List the first ten prime numbers (in order).
B. Write the prime factorization of 81 using a factor tree.

​Still confused?