Q: Is 505,165 a Prime Number?
A: No, 505,165 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 505165 can be evenly divided by 1 5 71 355 1,423 7,115 101,033 and 505,165, with no remainder.
Since 505,165 cannot be divided by just 1 and 505,165, it is not a prime number.