The Sieve of Eratosthenes

This anicast explores various number concepts: divisibility, multiple and factor; defines prime and composite numbers, then discusses the Sieve of Eratosthenes - an ancient but simple method of finding primes.

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Anicast Information

Category: Developmental Math
Published: 23 Jan. 2007
File Size: 1.76 MB
Duration: 5 mins., 34 secs.
Player: Flash Player 8

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Episode notes...

• Title
• Preliminary definitions - Divisibility
• Preliminary definitions - Multiple
• Preliminary definitions - Factor, Factorization
• Prime and Composite Numbers
• The First Ten Prime Numbers
• Complete Factorization
• The Sieve of Eratosthenes
• Example
• The Sieve of Eratosthenes - Explanation
• Prime Number Weed Out
• Coming up next...Writing Whole Numbers as Products of Prime Factors

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or Mixed Numbers (BMS-AN002)
Equivalent Fractions (BMS-AN003)
Writing Whole Numbers as Equivalent Fractions
(BMS-AN004)
How to Add or Subtract Fractions with Like Denominators (BMS-AN005)
How to Convert Whole or Mixed Numbers to Improper Fractions (BMS-AN006)

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