Q: Is 258,490 a Prime Number?
A: No, 258,490 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 258490 can be evenly divided by 1 2 5 10 25,849 51,698 129,245 and 258,490, with no remainder.
Since 258,490 cannot be divided by just 1 and 258,490, it is not a prime number.