[Haskell-beginners] list doesn't end

[Francesco Ariis]

On Sun, Nov 24, 2019 at 05:10:17PM +0100, Alexander Chen wrote:
> Hi Francesco,
> 
> length a2 = 7072
> length b3 = 7072
> length c4 = 82
> 
> I suspect its the first two that get it into trouble. Is is 7072*7072*82 = 41014081088 permutations, 100*3 = 1000000.
> 
> So I am guessing that this is not the fix to the euler problem....

If `x+y+z` need to be <50, and the three are primes, I am puzzled to see
such lengths!
Which problem is it?