Q: Is 171,985 a Prime Number?
A: No, 171,985 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 171985 can be evenly divided by 1 5 11 53 55 59 265 295 583 649 2,915 3,127 3,245 15,635 34,397 and 171,985, with no remainder.
Since 171,985 cannot be divided by just 1 and 171,985, it is not a prime number.