4th non-trivial gigantic
> Until this year, no human had proven a non-trivialHere is the fourth:
> gigantic prime. Andy did the first:
> Then Bouk and I managed another two: a Lucas and a Fib.
(9926^2521-1)/9925, with 10,072 digits, is prime
The Konyagin-Pomerance certificate will appear
shortly, at Andy's site.
David Broadhurst and Sean Irvine