Q: Is 258,340 a Prime Number?
A: No, 258,340 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 258340 can be evenly divided by 1 2 4 5 10 20 12,917 25,834 51,668 64,585 129,170 and 258,340, with no remainder.
Since 258,340 cannot be divided by just 1 and 258,340, it is not a prime number.