![MathType on X: "Fermat's numbers grow so fast they get monumental early on. Fermat himself saw the first 4 and believed that all of them were prime. Euler proved him wrong by MathType on X: "Fermat's numbers grow so fast they get monumental early on. Fermat himself saw the first 4 and believed that all of them were prime. Euler proved him wrong by](https://pbs.twimg.com/media/FbAw9W1WYAAxhju.jpg:large)
MathType on X: "Fermat's numbers grow so fast they get monumental early on. Fermat himself saw the first 4 and believed that all of them were prime. Euler proved him wrong by
![Six Ways to Prove that there are Infinitely Many Prime Numbers | by Keith McNulty | Sep, 2023 | Medium Six Ways to Prove that there are Infinitely Many Prime Numbers | by Keith McNulty | Sep, 2023 | Medium](https://miro.medium.com/v2/resize:fit:1024/0*JomD3b7fmsRiPCil.png)
Six Ways to Prove that there are Infinitely Many Prime Numbers | by Keith McNulty | Sep, 2023 | Medium
![17 Lectures on Fermat Numbers: From Number Theory to Geometry (CMS Books in Mathematics): Krizek, Michal, Luca, Florian, Somer, Lawrence, Solcova, A.: 9780387953328: Amazon.com: Books 17 Lectures on Fermat Numbers: From Number Theory to Geometry (CMS Books in Mathematics): Krizek, Michal, Luca, Florian, Somer, Lawrence, Solcova, A.: 9780387953328: Amazon.com: Books](https://m.media-amazon.com/images/I/6147CzDFo2L._AC_UF1000,1000_QL80_.jpg)