Q: Is 820,631 a Prime Number?
A: No, 820,631 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 820631 can be evenly divided by 1 7 59 413 1,987 13,909 117,233 and 820,631, with no remainder.
Since 820,631 cannot be divided by just 1 and 820,631, it is not a prime number.