Q: Is 391,249 a Prime Number?
A: Yes, 391,249 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 391249 can be evenly divided by 1 and 391,249, with no remainder.
Since 391,249 can be divided by just 1 and 391,249, it is a prime number.