Q: Is 261,239 a Prime Number?
A: No, 261,239 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 261239 can be evenly divided by 1 11 17 121 127 187 1,397 2,057 2,159 15,367 23,749 and 261,239, with no remainder.
Since 261,239 cannot be divided by just 1 and 261,239, it is not a prime number.