Abakcus on Twitter: "#TodayWeLearned that 1000000000000066600000000000001 is a prime number and it is called Belphegor's prime. https://t.co/6GrV2mGXmn" / Twitter
![Cliff Pickover on Twitter: ""Belphegor´s Eye" haunts mathematicians. Constructed with palindromic prime numbers, by Victor Merlin (@merlinmundo). More on the famous Belphegor's prime number is here: https://t.co/PCw03CQ2nl and https://t.co/6zbmpSnffI ... Cliff Pickover on Twitter: ""Belphegor´s Eye" haunts mathematicians. Constructed with palindromic prime numbers, by Victor Merlin (@merlinmundo). More on the famous Belphegor's prime number is here: https://t.co/PCw03CQ2nl and https://t.co/6zbmpSnffI ...](https://pbs.twimg.com/media/ErYDHc7XYAEKdUv.jpg:large)
Cliff Pickover on Twitter: ""Belphegor´s Eye" haunts mathematicians. Constructed with palindromic prime numbers, by Victor Merlin (@merlinmundo). More on the famous Belphegor's prime number is here: https://t.co/PCw03CQ2nl and https://t.co/6zbmpSnffI ...
![Since I've seen so many people complaining about certain numbers not being prime, here's something to cheer you up! :) [Inspired by Belphegor's Prime!] : r/mathmemes Since I've seen so many people complaining about certain numbers not being prime, here's something to cheer you up! :) [Inspired by Belphegor's Prime!] : r/mathmemes](https://preview.redd.it/zuju2la5twm71.jpg?auto=webp&s=7583adc84153eca94b5c053583e919fbe2242ce6)