Q: Is 561,209 a Prime Number?
A: No, 561,209 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 561209 can be evenly divided by 1 11 163 313 1,793 3,443 51,019 and 561,209, with no remainder.
Since 561,209 cannot be divided by just 1 and 561,209, it is not a prime number.