Q: Is 249,509 a Prime Number?
A: No, 249,509 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 249509 can be evenly divided by 1 13 17 221 1,129 14,677 19,193 and 249,509, with no remainder.
Since 249,509 cannot be divided by just 1 and 249,509, it is not a prime number.