## Largest Prime Number Found, with 17,425,170 Digits!

Feb 08 2013

Just a couple of weeks ago, a new prime number was found by computers: this is 257,885,161 – 1, a number with more than 17 million digits. Wow! Known as a Mersenne prime, which is a prime number of the [… more]

## The Beauty of Perfect Numbers

Jun 09 2011

Have you heard of perfect numbers? Six is the first perfect number. It is regarded as “perfect” because it is equal to the sum of its proper divisors (or aliquot sum); these divisors include 1 but exclude the number itself. [… more]

## Visualizing Maths, the Pythagorean Way

Jun 03 2011

Chapter 2 of “The Pythagorean Theorem — A 4000 Year History” tells us that Pythagoras founded a school when he settled in Greek around 530 BCE. His students — the Pythagoreans — studied mainly philosophy, mathematics and astronomy. The Pythagoreans [… more]

## Pythagorean Triples -- Simple Yet Fascinating

May 25 2011

Many of us would have learned about the Pythagoras’ Theorem during Maths class in our secondary school days. Yup, it’s that famous a2 + b2 = c2 equation that relates to the sides of a right-angled triangle. The diagram on [… more]