Q: Is 858,241 a Prime Number?
A: Yes, 858,241 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 858241 can be evenly divided by 1 and 858,241, with no remainder.
Since 858,241 can be divided by just 1 and 858,241, it is a prime number.