Q: Is 820,402 a Prime Number?
A: No, 820,402 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 820402 can be evenly divided by 1 2 11 22 89 178 419 838 979 1,958 4,609 9,218 37,291 74,582 410,201 and 820,402, with no remainder.
Since 820,402 cannot be divided by just 1 and 820,402, it is not a prime number.