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Mathematics and Multimedia Blog Carnival # 4

The Mathematics and Multimedia Blog Carnival #4 has been posted at Wild About Math. The Math and Multimedia Carnival #5  will be hosted by  Math Hombre and will be posted on November 8, 2010.  To...

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Prime or Not: Determining Primes Through Square Root

A prime number is a integer greater than that is divisible only by 1 and itself. A number that is not prime is composite. To determine whether a number is prime or not, we have to divide it by all...

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The Composite Number Tree

The Composite Number Tree by Jeffrey Ventrella is the latest animation I have discovered recently through Colleen Young’s Mathematics, Learning and Web 2.0.  The animation consists of numbers “falling...

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The Prime Composite Dance

In this blog, I have written quite a number of articles about prime numbers. In one of my posts, I have emphasized that geometrically, the dots that represent a prime number can only be arranged in a 1...

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Largest Prime Number Yet, Discovered

Even though every mathematician knows that there is no largest prime number, (for any prime number, a larger prime number exists), that did not stop some from searching for the largest prime number. On...

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Mersenne Primes Under the Microscope

What are Mersenne Primes? The recent discovery of the largest known prime number which is 17 million digits highlighted the importance of Mersenne primes.  This newest prime number and the thirteen...

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Primo: A Mathematics Board Game About Prime Numbers

One of the latest cool math games I have come to know recently is Primo, a mathematics board game that looks very promising. It can be played by 2-4 players from age 10 and and above.  I have never...

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Understanding Hilbert’s Grand Hotel Paradox

Long ago, in a land far away, there was a grand hotel where there were infinitely many rooms. This hotel was attended by a brilliant manager. One night, a guest arrived, but  the hotel was full — each...

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The Geometric Representation of Greatest Common Factor

A factor is a number that divides a number. The number 6 is a factor of 12 since 6 divides 12. It is easy to see that 1, 2, 3, 4, and 12 are also factors of 12. Looking at the numbers in the tables...

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GIMPS Discovers The Largest Known Prime Number Yet

The Great Internet Mersenne Prime Search (GIMPS) discovered the largest prime number yet on January 7, 2016. The number is . It contains 22,338,618 digits. If you are wondering how long it is, suppose...

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