Q: Is 800,540 a Prime Number?
A: No, 800,540 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 800540 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 3,079 6,158 12,316 15,395 30,790 40,027 61,580 80,054 160,108 200,135 400,270 and 800,540, with no remainder.
Since 800,540 cannot be divided by just 1 and 800,540, it is not a prime number.