Q: Is 864,587 a Prime Number?
A: Yes, 864,587 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 864587 can be evenly divided by 1 and 864,587, with no remainder.
Since 864,587 can be divided by just 1 and 864,587, it is a prime number.