Q: Is 258,221 a Prime Number?
A: No, 258,221 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 258221 can be evenly divided by 1 23 103 109 2,369 2,507 11,227 and 258,221, with no remainder.
Since 258,221 cannot be divided by just 1 and 258,221, it is not a prime number.