Q: Is 820,550 a Prime Number?
A: No, 820,550 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 820550 can be evenly divided by 1 2 5 10 25 50 16,411 32,822 82,055 164,110 410,275 and 820,550, with no remainder.
Since 820,550 cannot be divided by just 1 and 820,550, it is not a prime number.