Number & Operations for Teachers 

Copyright David & Cynthia Thomas, 2009

Chapter/Section	Chapter Seven: Number Theory, Applications, & Problem-solving 7.1 Composite and Prime Numbers
Objective
Overview	In this section we discuss two important ideas: modeling the meaning of composite and prime greatest common factor, prime factorization, and least common multiple
Readings	Composite and Prime Greatest Common Factor, Prime Factorization, and Least Common Multiple
Homework	Exercises
Links	Investigate the Sieve of Eratosthenes and  Factor Tree at the National Library of Virtual Manipulatives for Interactive Mathematics http://matti.usu.edu/nlvm/nav/topic_t_1.html