# number theory

## The number theory revival | Math History | NJ Wildberger

Author: Insights into Mathematics After the work of Diophantus, there was something of a lapse in interest in pure number theory for quite some while. Around 1300 Gersonides developed the connection between … Read more

## Introduction to number theory lecture 1.

Author: Richard E. BORCHERDS This lecture is the first lecture of my Berkeley math 115 course “Introduction to number theory” For the other lectures in the course see https://www.youtube.com/playlist?list=PL8yHsr3EFj53L8sMbzIhhXSAOpuZ1Fov8 This lecture gives … Read more

## Number Theory: Primes and Composites

Author: Michael Penn Suggest a problem: https://forms.gle/ea7Pw7HcKePGB4my5 Please Subscribe: https://www.youtube.com/michaelpennmath?sub_confirmation=1 Patreon: https://www.patreon.com/michaelpennmath Merch: https://teespring.com/stores/michael-penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College Math and Science on Facebook: https://www.facebook.com/randolph.science/ Research Gate profile: … Read more

## Number Theory: Divisibility

Author: Michael Penn Suggest a problem: https://forms.gle/ea7Pw7HcKePGB4my5 Please Subscribe: https://www.youtube.com/michaelpennmath?sub_confirmation=1 Merch: https://teespring.com/stores/michael-penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College Math and Science on Facebook: https://www.facebook.com/randolph.science/ Research Gate profile: https://www.researchgate.net/profile/Michael_Penn5 Google … Read more

## The foundations of number theory

Author: Michael Penn Suggest a problem: https://forms.gle/ea7Pw7HcKePGB4my5 Please Subscribe: https://www.youtube.com/michaelpennmath?sub_confirmation=1 Merch: https://teespring.com/stores/michael-penn-math Personal Website: http://www.michael-penn.net Randolph College Math: http://www.randolphcollege.edu/mathematics/ Randolph College Math and Science on Facebook: https://www.facebook.com/randolph.science/ Research Gate profile: https://www.researchgate.net/profile/Michael_Penn5 Google … Read more

## The prime number theorem | Journey into cryptography | Computer Science | Khan Academy

Author: Khan Academy Labs How can we estimate the number of primes up to x? Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/comp-number-theory/v/time-space-tradeoff?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Missed the previous lesson? https://www.khanacademy.org/computing/computer-science/cryptography/comp-number-theory/v/trial-division-primality-test-using-a-sieve-prime-adventure-part-5?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Computer Science on Khan Academy: Learn select … Read more

## Elementary Number Theory: Well-Ordering Principle

Author: Leandro Junes This video describes the well-ordering principle of the natural numbers and gives several examples. An extension to this axiom is discussed at the end of the video. . Video … Read more