Q: Is 816,628 a Prime Number?
A: No, 816,628 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 816628 can be evenly divided by 1 2 4 109 218 436 1,873 3,746 7,492 204,157 408,314 and 816,628, with no remainder.
Since 816,628 cannot be divided by just 1 and 816,628, it is not a prime number.