Wiki
Research notes on every problem, and a library of the papers behind them. Built from the open erdos repository.
Updated
Claims
2000_03_08_luca: Luca proves that n factorial plus one is a product of powers of the two primes following n only for n at most 5, so Problem 1058 has exactly the five known solutions; refereed in Math. Comp. and credited by the site.
Linked from (1)
Graph