Q: Is 820,510 a Prime Number?
A: No, 820,510 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 820510 can be evenly divided by 1 2 5 10 82,051 164,102 410,255 and 820,510, with no remainder.
Since 820,510 cannot be divided by just 1 and 820,510, it is not a prime number.