Q: Is 872,173 a Prime Number?
A: Yes, 872,173 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 872173 can be evenly divided by 1 and 872,173, with no remainder.
Since 872,173 can be divided by just 1 and 872,173, it is a prime number.