Q: Is 998,257 a Prime Number?
A: No, 998,257 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 998257 can be evenly divided by 1 13 17 221 4,517 58,721 76,789 and 998,257, with no remainder.
Since 998,257 cannot be divided by just 1 and 998,257, it is not a prime number.