Q: Is 165,255 a Prime Number?
A: No, 165,255 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 165255 can be evenly divided by 1 3 5 15 23 69 115 345 479 1,437 2,395 7,185 11,017 33,051 55,085 and 165,255, with no remainder.
Since 165,255 cannot be divided by just 1 and 165,255, it is not a prime number.