Commit 2020-10-01 17:37 ddaa325e
View on Github →feat(archive/imo): formalize IMO 1969 problem 1 (#4261) This is a formalization of the problem and solution for the first problem on the 1969 IMO: Prove that there are infinitely many natural numbers $a$ with the following property: the number $z = n^4 + a$ is not prime for any natural number $n$