Q: Is 20,997 a Prime Number?
A: No, 20,997 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 20997 can be evenly divided by 1 3 9 2,333 6,999 and 20,997, with no remainder.
Since 20,997 cannot be divided by just 1 and 20,997, it is not a prime number.