Q: Is 820,204 a Prime Number?
A: No, 820,204 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 820204 can be evenly divided by 1 2 4 7 11 14 22 28 44 77 154 308 2,663 5,326 10,652 18,641 29,293 37,282 58,586 74,564 117,172 205,051 410,102 and 820,204, with no remainder.
Since 820,204 cannot be divided by just 1 and 820,204, it is not a prime number.