Proof for Euclidean Algorithm - Includes explanation of Euclid's original notes

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In this video, I have given the proof for Euclid's algorithm. The video includes reference to Euclid's notes from his "Elements".

Blog post for this video,

Related Videos-

Various methods for finding GCD (includes ladder method):

How to find GCD quickly,

Applications of GCD in measurements,

This video covers the following -
- A brief background of the algorithm
- Euclid's algorithm statement
- An example of Euclid' algorithm implementation
- what is the gcd of zero and a number? why gcd of any number and zero is the same number?
- why gcd of two numbers is same as the gcd of one of the numbers or the smaller number and the difference between the two numbers
- Referring Euclid's notes - how algorithm was derived by Euclid? Measuring two lengths to find GCD.
- How is subtraction replaced with modulo in the algorithm. Why GCD of two numbers is same as GCD of one of the numbers and their modulo?
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the most underrated channel
the efforts made by the teacher is worth appreciation
thank you so much for the fabulous explanation 💖

suvamgupta
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The explanation cannot be more better. Solved all my doubts. Thank you for the amazing work here.

bhavukgarg
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Best ever! Thank you so much for your efforts

rpreethika