Yes, 997 is a Prime number.
You can either work it out, or look it up in a list of prime numbers!
For list of the first 1,000 prime numbers, see Related links below this box.
Chat with our AI personalities
It is 997.It is 997.It is 997.It is 997.
997 is the highest number.It is 997.
997
997 is the biggest 3 digit prime number.
The answer must have an even number and an odd number, because if you add two odd numbers, the sum would be even. Therefore, the first answer is the only prime even number: 2. 2 + 997 is 999, so the other answer would be 997. 997+2 (!?!) 997+2 (!?!) 2 and 997