Q: Is 261,173 a Prime Number?
A: No, 261,173 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 261173 can be evenly divided by 1 11 23,743 and 261,173, with no remainder.
Since 261,173 cannot be divided by just 1 and 261,173, it is not a prime number.