Q: Is 561,289 a Prime Number?
A: No, 561,289 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 561289 can be evenly divided by 1 17 137 241 2,329 4,097 33,017 and 561,289, with no remainder.
Since 561,289 cannot be divided by just 1 and 561,289, it is not a prime number.