Q: Is 258,138 a Prime Number?
A: No, 258,138 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 258138 can be evenly divided by 1 2 3 6 9 18 14,341 28,682 43,023 86,046 129,069 and 258,138, with no remainder.
Since 258,138 cannot be divided by just 1 and 258,138, it is not a prime number.