5728 - A new solution for the equation τ(p) ≡ 0[p] (avec O. Rozier).
N. Lygeros, O. Rozier
Abstract
The known solutions to the equation (p) ≡ 0 (mod p) were p = 2, 3, 5, 7, and 2411.
Here we present our method to compute the next solution, which is p = 7758337633.
There are no other solutions up to 1010.