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Number Sense

VII. Class 7

A. Prime, Composite, Abundant, Deficient, and Perfect Numbers

Participants should discuss topics:

- Identifying special classes of prime and composite numbers (Mersenne primes, abundant, deficient, perfect, and relatively prime numbers)
- Using the Fundamental Theorem of Arithmetic as it applies to prime and composite numbers
- Using prime factorization of numbers to identify abundant, deficient, and perfect numbers
Participants explore some of the following Investigations focused on prime, composite, abundant, deficient, and perfect numbers

Prime and Composite Numbers

Abundant, Deficient, and Perfect Numbers

B. Participants add write-ups to their online portfolios

Additional Resources for Week7

Dictionary Entries related to order relationships, roots, and induction.

External links

Sieve of Eatosthenes

Infinitude of Prime Numbers

Return to the Number Concept Syllabus