Q: Is 561,804 a Prime Number?
A: No, 561,804 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 561804 can be evenly divided by 1 2 3 4 6 12 46,817 93,634 140,451 187,268 280,902 and 561,804, with no remainder.
Since 561,804 cannot be divided by just 1 and 561,804, it is not a prime number.