Art of Problem Solving: Finding the Greatest Common Divisor

Art of Problem Solving's Richard Rusczyk explains how to use prime factorizations to find the greatest common divisor of two numbers. Visit www.artofproblemsolving.com to learn more.

[@jeremiahnji6]

The energy is awesome. Kept my attention the entire time.

[@Xavierrex3]

Steve from blues clues teaching number theory; who woulda thought? just teasing great video thank you ;)

[@steamramsam4522]

Steve is bald

[@SidoNono]

Thank you so much, you managed to make the gcd fun, incredible !

[@TN-wp7dx]

U made meh remember what gcd is incredible thx

[@AplayerDanny]

Great job! You should try to solve hard AMC or AIME problems and show the world how to do them. :)

[@868thatbeardguy3]

You are a very good teacher. (Y)

[@fadxialif8712]

thank you soo much you solve my problem

[@ShuyanStoryTeller]

It's great. thank you so much.

[@Ravel1299]

Excellent!

[@lsand]

Neat! Thank you.

[@moonchilled8869]

Another meticulously planned ending. nominate this man for oscars

[@arch_n3m3s1s]

agreed

[@gurkiratkaur4476]

u should be a teacher

[@ApatheticPerson]

no way 🤯🤯

[@iamnaran]

haha WOW :D

[@Lulu-xs2rx]

ya y

[@TheGamingPlanet_]

Bro forgot 12 lol

[@Anonymousforest]

nice attempt but you explained this way too fast, You can't assume everyone is at the same level as you.

[@stingyaviation]

did you watch his LCD video?

[@ApatheticPerson]

Did you read the book? The video is kinda based on the book

[@Anonymousforest]

@@ApatheticPerson I don’t even remember! This was so long ago. I remember I really struggled through remedial math though but ended up passing with an A because of how much KZbin helped me honestly.

[@namisu9652]

no way you came back to this video after 11 years lol