Q: Is 261,165 a Prime Number?
A: No, 261,165 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 261165 can be evenly divided by 1 3 5 15 23 69 115 345 757 2,271 3,785 11,355 17,411 52,233 87,055 and 261,165, with no remainder.
Since 261,165 cannot be divided by just 1 and 261,165, it is not a prime number.