Q: Is 561,424 a Prime Number?
A: No, 561,424 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 561424 can be evenly divided by 1 2 4 8 16 35,089 70,178 140,356 280,712 and 561,424, with no remainder.
Since 561,424 cannot be divided by just 1 and 561,424, it is not a prime number.