Q: Is 172,789 a Prime Number?
A: No, 172,789 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 172789 can be evenly divided by 1 131 1,319 and 172,789, with no remainder.
Since 172,789 cannot be divided by just 1 and 172,789, it is not a prime number.