Q: Is 863,221 a Prime Number?
A: No, 863,221 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 863221 can be evenly divided by 1 269 3,209 and 863,221, with no remainder.
Since 863,221 cannot be divided by just 1 and 863,221, it is not a prime number.