The Sieve of Eratosthenes 1

This applet demonstrates the "Sieve of Eratosthenes" method of finding the prime numbers less than 100

Author and programmer: Ron Barrow

UK Years 7-8, KS3 - Number
US Grade 6

   
           

Instructions below    Waldomaths video   See also: Sieve of Eratosthenes 2    Prime Factors, HCF, LCM    Number Factors

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How to Use this Applet

This applet helps you to find prime numbers, by using the method known as the "Sieve of Eratosthenes". By pressing the "Step" button several times, you can see the method in progress. Watch carefully.