I'm going to be putting previews of notes for class before the class, then fleshing in the details and possibly adding more or taking away topics from the list, depending on how far we get.

Prime numbers, composite numbers and the number 1 (unit)

prime factorization

relatively prime numbers

shortcuts for divisibility

reducing fractions

greatest common divisor (g.c.d.) and least common multiple (l.c.m.) for two numbers

These topics are covered on pages 23 through 28 in the notes.

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