Q: Is 813,320 a Prime Number?
A: No, 813,320 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 813320 can be evenly divided by 1 2 4 5 8 10 20 40 20,333 40,666 81,332 101,665 162,664 203,330 406,660 and 813,320, with no remainder.
Since 813,320 cannot be divided by just 1 and 813,320, it is not a prime number.