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Fermat's theorem on sums of two squares

The Prime Problem with a One Sentence Proof – Numberphile

The One Sentence Proof (in multiple sentences) – Numberphile 2

Wikipedia article

an odd prime p is expressible as with x and y integers, if and only if

VIDEO: Prime Problem

I have been away for a few days on a short holiday so for today’s post I wanted to quickly share with you two videos from Numberphile on a prime problem posed by Fermat. 20 palabras más

Mathematics

Zero Factorial?

Why does 0! = 1?

0! = 1 is a definition so that

holds true for n = k. From the “Fundamental Principle of Counting” we know that is n! 16 palabras más

Mathematics

Borromean Ribbons  Tadashi Tokieda is talking about Borromean...

Borromean Ribbons 

Tadashi Tokieda is talking about Borromean links again – this time using ribbons.

More Tadashi videos: http://bit.ly/tadashi_vids

By: Numberphile.
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The Last Digit of Prime Numbers  Dr James Grime on a new...

The Last Digit of Prime Numbers 

Dr James Grime on a new discovery in the Prime Numbers.

Read the paper discussed in this video: http://arxiv.org/abs/1603.03720…

18 palabras más