Homeschool Math
Homeschool Math: Prime Factorization of Three Digit Numbers
This lesson shows examples of how to get started with the prime factorization of three-digit or larger numbers, using a factor tree. includes numerous practice exercises.
CK-12 Foundation
Ck 12: Arithmetic: Prime Factorization
[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.