Q: Is 258 a Prime Number?
A: No, 258 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 258 can be evenly divided by 1 2 3 6 43 86 129 and 258, with no remainder.
Since 258 cannot be divided by just 1 and 258, it is not a prime number.