Q: Is 620,891 a Prime Number?
A: No, 620,891 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 620891 can be evenly divided by 1 17 36,523 and 620,891, with no remainder.
Since 620,891 cannot be divided by just 1 and 620,891, it is not a prime number.