Q: Is 172,873 a Prime Number?
A: No, 172,873 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 172873 can be evenly divided by 1 17 10,169 and 172,873, with no remainder.
Since 172,873 cannot be divided by just 1 and 172,873, it is not a prime number.