sieve of Eratosthenes Archives - The Nature of Mathematics

Video Links 5-2

August 11, 2015July 8, 2015 by elaine

Videos:
Sieve of Eratosthenes (time: 2:55)

Prime Numbers (time: 1:42)

Largest Prime (time: 1:14)
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Problems 1-6
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax; do not be afraid to give your opinion. For the most part, these questions do not have “right” or “wrong” answers. You should spend … See the whole entry

Section 5.2: Prime Numbers

September 24, 2015July 7, 2015 by elaine

5.2 Outline

Divisibility
1. definition
  1. divisor
  2. factor
  3. divides
  4. multiple
2. number of divisors
  1. divisibility rule for 2
  2. divisibility rule for 3
  3. rules of divisibility for 1-12
3. finding primes
  1. definitions
    1. prime number
    2. composite number
  2. sieve of Eratosthenes
4. prime factorization
  1. factoring
  2. prime factorization
  3. fundamental

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