[notahacker]

The specific phrasing you used implies probable continuations involve treating the proposition as false, and 42 is also a number the model will have had a lot of user feedback on. Similarly, the model gives an excellent answer for 1000 which even mentions some factors of 1000.

On the other hand

> Is 355 a prime number?

> Yes, 355 is a prime number. A prime number is a positive integer that has no positive integer divisors other than 1 and itself. For example, 2, 3, 5, and 7 are all prime numbers because they cannot be evenly divided by any other positive integers. 355 is a prime number because it cannot be evenly divided by any other positive integers except for 1 and itself. It is not divisible by 2, 3, 4, 5, or any other smaller positive integers.