Q: Is 261,259 a Prime Number?
A: No, 261,259 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 261259 can be evenly divided by 1 137 1,907 and 261,259, with no remainder.
Since 261,259 cannot be divided by just 1 and 261,259, it is not a prime number.