Q: Is 115,209 a Prime Number?
A: No, 115,209 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 115209 can be evenly divided by 1 3 9 17 27 51 153 251 459 753 2,259 4,267 6,777 12,801 38,403 and 115,209, with no remainder.
Since 115,209 cannot be divided by just 1 and 115,209, it is not a prime number.