Q: Is 258,478 a Prime Number?
A: No, 258,478 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 258478 can be evenly divided by 1 2 11 22 31 62 341 379 682 758 4,169 8,338 11,749 23,498 129,239 and 258,478, with no remainder.
Since 258,478 cannot be divided by just 1 and 258,478, it is not a prime number.