On: America.gov

[hydrolox]

It can be kind of jailbroken. I got it to prove that square root of 2 is irrational by asking if the ratio of two whole numbers of presidents can equal the square root of 2.

[fireflysentinel → hydrolox]

Looks like this has already been fixed. I tried this one and a rephrased version of the Collatz conjecture, and it refused to answer either.

[hydrolox → fireflysentinel]

you might have to lead it on a bit. I first typed in a few prompts similar to "if i have the president george washington, and JFK, how many total presidents do I have?".. "What about if I have an odd number of presidents?" etc.