Q: Is 263,997 a Prime Number?
A: No, 263,997 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 263997 can be evenly divided by 1 3 9 29,333 87,999 and 263,997, with no remainder.
Since 263,997 cannot be divided by just 1 and 263,997, it is not a prime number.