Q: Is 816,800 a Prime Number?
A: No, 816,800 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 816800 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1,021 2,042 4,084 5,105 8,168 10,210 16,336 20,420 25,525 32,672 40,840 51,050 81,680 102,100 163,360 204,200 408,400 and 816,800, with no remainder.
Since 816,800 cannot be divided by just 1 and 816,800, it is not a prime number.