Q: Is 561,223 a Prime Number?
A: No, 561,223 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 561223 can be evenly divided by 1 13 23 299 1,877 24,401 43,171 and 561,223, with no remainder.
Since 561,223 cannot be divided by just 1 and 561,223, it is not a prime number.