Q: Is 820,213 a Prime Number?
A: Yes, 820,213 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 820213 can be evenly divided by 1 and 820,213, with no remainder.
Since 820,213 can be divided by just 1 and 820,213, it is a prime number.