Q: Is 561,304 a Prime Number?
A: No, 561,304 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 561304 can be evenly divided by 1 2 4 8 70,163 140,326 280,652 and 561,304, with no remainder.
Since 561,304 cannot be divided by just 1 and 561,304, it is not a prime number.