Q: Is 165,987 a Prime Number?
A: No, 165,987 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 165987 can be evenly divided by 1 3 9 18,443 55,329 and 165,987, with no remainder.
Since 165,987 cannot be divided by just 1 and 165,987, it is not a prime number.