Q: Is 561,724 a Prime Number?
A: No, 561,724 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 561724 can be evenly divided by 1 2 4 317 443 634 886 1,268 1,772 140,431 280,862 and 561,724, with no remainder.
Since 561,724 cannot be divided by just 1 and 561,724, it is not a prime number.