Why did they prove this amazing theorem in 200 different ways? Quadratic Reciprocity MASTERCLASS
50:01
Power sum MASTER CLASS: How to sum quadrillions of powers ... by hand! (Euler-Maclaurin formula)
53:33
The hardest "What comes next?" (Euler's pentagonal formula)
43:12
Frank Calegari: 30 years of modularity: number theory since the proof of Fermat's Last Theorem
40:24
2000 years unsolved: Why is doubling cubes and squaring circles impossible?
18:55
The Frobenius Problem (and numerical semigroups) - Numberphile
30:56
What does this prove? Some of the most gorgeous visual "shrink" proofs ever invented
46:34
700 years of secrets of the Sum of Sums (paradoxical harmonic series)
51:49