Q: Is 561,433 a Prime Number?
A: No, 561,433 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 561433 can be evenly divided by 1 619 907 and 561,433, with no remainder.
Since 561,433 cannot be divided by just 1 and 561,433, it is not a prime number.