Q: Is 813,628 a Prime Number?
A: No, 813,628 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 813628 can be evenly divided by 1 2 4 107 214 428 1,901 3,802 7,604 203,407 406,814 and 813,628, with no remainder.
Since 813,628 cannot be divided by just 1 and 813,628, it is not a prime number.