Q: Is 257,338 a Prime Number?
A: No, 257,338 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 257338 can be evenly divided by 1 2 128,669 and 257,338, with no remainder.
Since 257,338 cannot be divided by just 1 and 257,338, it is not a prime number.