Q: Is 172,999 a Prime Number?
A: Yes, 172,999 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 172999 can be evenly divided by 1 and 172,999, with no remainder.
Since 172,999 can be divided by just 1 and 172,999, it is a prime number.