Q: Is 820,865 a Prime Number?
A: No, 820,865 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 820865 can be evenly divided by 1 5 164,173 and 820,865, with no remainder.
Since 820,865 cannot be divided by just 1 and 820,865, it is not a prime number.