This lesson
consists of giving you the necessary "preliminaries"
to do fractions. The tutor explains what are factors,
divisors, prime and composite numbers, how to do
prime factorization, GCFs, LCMs, multiples, and the
rules of divisibility. He also explains how to use
your graphing calculator to help you find the GCF,
LCM and multiples.
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Notes: 19 pages. 47 minutes
of video.