Q: Is 863,921 a Prime Number?
A: Yes, 863,921 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 863921 can be evenly divided by 1 and 863,921, with no remainder.
Since 863,921 can be divided by just 1 and 863,921, it is a prime number.